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How can I have 2 or more distinct indexes in LaTeX?
I would like to have 3 index sections: one for the biological species, second for chemicals and the third for other contents).
The question
In any case, i would like to have an example file with usage.
The following post has an answer that describes how to use the multind package
How can I have two or more distinct indexes?
As @egreg mentions in one of his comments, there is also the imakeidx package- below is a MWE taken (pretty much) from the documentation (page 6, just before Section 4)
\documentclass{article} \usepackage{imakeidx} \makeindex[title=Concept index] \makeindex[name=persons,title=Index of names,columns=3] \begin{document} Here is a list of things and people \begin{itemize} \item \LaTeX \index{latex} \item Beccari \index[persons]{beccari} \item Gregorio \index[persons]{gregorio} \end{itemize} And this is the end of the story. \printindex \indexprologue{\small In this index you’ll find only famous people’s names} \printindex[persons] \end{document} 