Gist-Biblatex-Ranges-MutlipleWorksByAuthorInSameRange.tex

\documentclass[12pt,a4paper]{article}
\usepackage{a4wide}

\usepackage{filecontents}
\begin{filecontents}{\jobname.bib}
@book{adams_2001_2003_title_01,
  author = {Adams, Phillip},
  date = {2001/2003},
  title = {Title 01 Input 2001/2003}
}

@book{adams_2001_2003_title_02,
  author = {Adams, Phillip}, 
  date = {2001/2003},
  title = {Title 02 Input 2001/2003}
}

@book{charles_1998_1999_title_01,
  author = {Charles, Ray},
  date = {1998-05-07/1999-06-01},
  title = {Title 01 Input 1998-05-07/1999-06-01}
}

@book{charles_1998_1999_title_02,
  author = {Charles, Ray},
  date = {1998-04-03/1999-06-01},
  title = {Title 02 Input 1998-04-03/1999-06-01}
}

@book{charles_1998_1999_title_03,
  author = {Charles, Ray},
  date = {1998-10-03/1999-02-12},
  title = {Title 03 Input 1998-10-03/1999-02-12}
}

@article{ford_unknown_1982_title_01,
  author = {Ford, Harrison},
  title = {Title 01 Input Unknown/1982},
  year = {unknown/1982},
  journaltitle = {Journal of cool}
}

@article{ford_unknown_1982_title_02,
  author = {Ford, Harrison},
  title = {Title 02 Input Unknown/1982},
  year = {unknown/1982},
  journaltitle = {Journal of cool}
}

@article{ford_1980_unknown_title_03,
  author = {Ford, Harrison},
  title = {Title 03 Input 1980/Unknown},
  year = {1980/unknown},
  journaltitle = {Journal of cool}
}

@article{ford_1980_unknown_title_04,
  author = {Ford, Harrison},
  title = {Title 04 Input 1980/Unknown},
  year = {1980/unknown},
  journaltitle = {Journal of cool}
}

@article{ford_open_1982_title_05,
  author = {Ford, Harrison},
  title = {Title 05 Input Open/1982},
  year = {open/1982},
  journaltitle = {Journal of cool}
}

@article{ford_open_1982_title_06,
  author = {Ford, Harrison},
  title = {Title 06 Input Open/1982},
  year = {open/1982},
  journaltitle = {Journal of cool}
}

@article{ford_1980_open_title_07,
  author = {Ford, Harrison},
  title = {Title 07 Input 1980/Open},
  year = {1980/open},
  journaltitle = {Journal of cool}
}

@article{ford_1980_open_title_08,
  author = {Ford, Harrison},
  title = {Title 08 Input 1980/Open},
  year = {1980/open},
  journaltitle = {Journal of cool}
}

@inproceedings{hasselhoff_2004_2004_presentation_01,
  author = {Hasselhoff, David},
  date = {2004-06-01/2004-06-03},
  title = {Presentation 01 Input 2004-06-01/2004-06-03},
  booktitle = {Proceedings of the {{Great}} Org {{June Conference}}},
  eventtitle = {Great Org {{June Conference}}}
}

@inproceedings{hasselhoff_2004_2004_presentation_02,
  author = {Hasselhoff, David},
  date = {2004-06-01/2004-06-03},
  title = {Presentation 02 Input 2004-06-01/2004-06-03},
  booktitle = {Proceedings of the {{Great}} Org {{June Conference}}},
  eventtitle = {Great Org {{June Conference}}}
}

@inproceedings{hasselhoff_2004_2004_presentation_03,
  author = {Hasselhoff, David},
  date = {2004-07-15/2004-07-19},
  title = {Presentation 03 Input 2004-07-15/2004-07-19},
  booktitle = {Proceedings of the {{Great}} Org {{July Conference}}},
  eventtitle = {Great Org {{July Conference}}}
}

@inproceedings{hasselhoff_2004_2004_presentation_04,
  author = {Hasselhoff, David},
  date = {2004-07-15/2004-07-19},
  title = {Presentation 04 Input 2004-07-15/2004-07-19},
  booktitle = {Proceedings of the {{Great}} Org {{July Conference}}},
  eventtitle = {Great Org {{July Conference}}}
}

@article{moore_unknown_2006_title_01,
  author = {Moore, Roger},
  title = {Title 01 Input Unknown/2006},
  year = {unknown/2006},
  journaltitle = {Journal of sardonism}
}

@article{moore_unknown_2007_title_02,
  author = {Moore, Roger},
  title = {Title 02 Input Unknown/2007},
  year = {unknown/2007},
  journaltitle = {Journal of sardonism}
}

@article{moore_2006_unknown_title_03,
  author = {Moore, Roger},
  title = {Title 03 Input 2006/Unknown},
  year = {2006/unknown},
  journaltitle = {Journal of sardonism}
}

@article{moore_2005_2006_title_04,
  author = {Moore, Roger},
  date = {2005/2006},
  title = {Title 04 Input 2005/2006},
  journaltitle = {Journal of sardonism}
}

@article{moore_2005_2007_title_05,
  author = {Moore, Roger},
  date = {2005/2007},
  title = {Title 05 Input 2005/2007},
  journaltitle = {Journal of sardonism}
}

@article{moore_2006_2008_title_06,
  author = {Moore, Roger},
  date = {2006/2008},
  title = {Title 06 Input 2006/2008},
  journaltitle = {Journal of sardonism}
}

@article{moore_open_2006_title_07,
  author = {Moore, Roger},
  title = {Title 07 Input Open/2006},
  year = {open/2006},
  journaltitle = {Journal of sardonism}
}

@article{moore_open_2007_title_08,
  author = {Moore, Roger},
  title = {Title 08 Input Open/2007},
  year = {open/2007},
  journaltitle = {Journal of sardonism}
}

@article{moore_2006_open_title_09,
  author = {Moore, Roger},
  title = {Title 09 Input 2006/Open},
  year = {2006/open},
  journaltitle = {Journal of sardonism}
}

\end{filecontents}

\usepackage[%
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    % Dates and Datetimes
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    alldates=ymd, % year, short, long, terse, comp, ymd, edtf. ymd = Year-Month-Day format
    labeldate=ymd, % year, short, long, terse, comp, ymd, edtf. ymd = Year-Month-Day format
    datezeros=true,
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    % Style
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    style=authoryear,
    sorting=none,
    dashed=false,
    url=false,
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    % style=authoryear option
    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
    % mergedate=  % false, minimum, basic, compact or true (default), maximum.
    mergedate=false
]{biblatex}
\addbibresource{\jobname.bib}

% Space between table rows
\renewcommand{\arraystretch}{1.25}

\begin{document}

{\Huge Multiple works by author in same range}\\

Mutliples works by author in the same range (where a range matches another based on start and end years only, even if the ranges differ at the day level).\\

Note \verb|sorting=none| is set.
  
\begin{refsection}
  \section{Year level input}
  \begin{tabular}{|p{250pt}|l|}
    \hline
    \textbf{Title}  & \textbf{In text citation result}\\
    \hline     
    \citetitle{adams_2001_2003_title_01}  & \autocite{adams_2001_2003_title_01}\\
    \hline     
    \citetitle{adams_2001_2003_title_02} & \autocite{adams_2001_2003_title_02}\\
    \hline    
    \noalign{\bigskip}  
  \end{tabular}
  \printbibliography[heading=subbibliography]
\end{refsection}
  
\begin{refsection}
  \section{Day level input}  
   \begin{tabular}{|p{250pt}|l|}
    \hline
    \textbf{Title} & \textbf{In text citation result}\\
    \hline     
    \citetitle{charles_1998_1999_title_01} & \autocite{charles_1998_1999_title_01}\\
    \hline     
    \citetitle{charles_1998_1999_title_02} & \autocite{charles_1998_1999_title_02}\\
    \hline  
    \citetitle{charles_1998_1999_title_03} & \autocite{charles_1998_1999_title_03}\\
    \hline          
    \noalign{\bigskip}  
  \end{tabular}
  \printbibliography[heading=subbibliography]
\end{refsection}
  
\begin{refsection}
  \section{With open and unknown ranges}   
  \begin{tabular}{|p{250pt}|l|}
    \hline
    \textbf{Title} & \textbf{In text citation result}\\
    \hline     
    \citetitle{ford_unknown_1982_title_01} & \autocite{ford_unknown_1982_title_01}\\
    \hline     
    \citetitle{ford_unknown_1982_title_02} & \autocite{ford_unknown_1982_title_02}\\
    \hline  
    \citetitle{ford_1980_unknown_title_03} & \autocite{ford_1980_unknown_title_03}\\
    \hline 
    \citetitle{ford_1980_unknown_title_04} & \autocite{ford_1980_unknown_title_04}\\
    \hline
    \citetitle{ford_open_1982_title_05} & \autocite{ford_open_1982_title_05}\\
    \hline
    \citetitle{ford_open_1982_title_06} & \autocite{ford_open_1982_title_06}\\
    \hline
    \citetitle{ford_1980_open_title_07} & \autocite{ford_1980_open_title_07}\\
    \hline
    \citetitle{ford_1980_open_title_08} & \autocite{ford_1980_open_title_08}\\
    \hline     
    \noalign{\bigskip}  
  \end{tabular}  
  \printbibliography[heading=subbibliography]
\end{refsection}  
  
\clearpage  
\begin{refsection}
  \section{Multiple presentations with the same conference}     
  Multiple presentations within the same conference, for two conferences in the same year:\\
  \begin{tabular}{|p{250pt}|l|}
    \hline
    \textbf{Title} & \textbf{In text citation result}\\
    \hline     
    \citetitle{hasselhoff_2004_2004_presentation_01} & \autocite{hasselhoff_2004_2004_presentation_01}\\
    \hline     
    \citetitle{hasselhoff_2004_2004_presentation_02} & \autocite{hasselhoff_2004_2004_presentation_02}\\
    \hline  
    \citetitle{hasselhoff_2004_2004_presentation_03} & \autocite{hasselhoff_2004_2004_presentation_03}\\
    \hline 
    \citetitle{hasselhoff_2004_2004_presentation_04} & \autocite{hasselhoff_2004_2004_presentation_04}\\
    \hline
    \noalign{\bigskip}  
  \end{tabular} 
  \printbibliography[heading=subbibliography]
\end{refsection}    

\clearpage 
\begin{refsection}
  \section{Distinct ranges}     
  These should be regarded as distinct ranges (that don't attract an \verb|extradate| alphabetic index: `a', `b', `c'):\\
  \begin{tabular}{|p{250pt}|l|}
    \hline
    \textbf{Title} & \textbf{In text citation result}\\
    \hline     
    \citetitle{moore_unknown_2006_title_01} & \autocite{moore_unknown_2006_title_01}\\
    \hline     
    \citetitle{moore_unknown_2007_title_02} & \autocite{moore_unknown_2007_title_02}\\
    \hline  
    \citetitle{moore_2006_unknown_title_03} & \autocite{moore_2006_unknown_title_03}\\
    \hline 
    \citetitle{moore_2005_2006_title_04} & \autocite{moore_2005_2006_title_04}\\
    \hline
    \citetitle{moore_2005_2007_title_05} & \autocite{moore_2005_2007_title_05}\\
    \hline
    \citetitle{moore_2006_2008_title_06} & \autocite{moore_2006_2008_title_06}\\
    \hline
    \citetitle{moore_open_2006_title_07} & \autocite{moore_open_2006_title_07}\\
    \hline
    \citetitle{moore_open_2007_title_08} & \autocite{moore_open_2007_title_08}\\
    \hline
    \citetitle{moore_2006_open_title_09} & \autocite{moore_2006_open_title_09}\\
    \hline   
    \noalign{\bigskip}  
  \end{tabular}  
  \printbibliography[heading=subbibliography]
\end{refsection}   

\end{document}