One has to solve many problems when writing a large tex file, even worse when the output needed is more than one PDF (many volumes).

  • The large tex file becomes very slow and the editor becomes irresponsive quickly. Also every compilation takes forever.
  • One have to split the toc, the bibliography, the appendices, the index and maybe the preface between many volumes.
  • If one decides to create a tex file for each volume, how can a theorem or eq be referenced, how can one have a continuous chapter, figure, theorem and page numbers?

Some links to help with these issues will help.

  • (1) editor becomes irresponsive quickly ... One with a lot of plugins? LaTeX files are only plain text, many editors can edit quickly very longs texts but it they must check synntax , and spelling, and autocompletion, and ... and ... with more and more plugins, at the end you will have some crawling more than a word porcessor with a lot of figures.
    – Fran
    Mar 5, 2020 at 21:22
  • (2) compilation takes forever .... KISS principle (keep it simple, sir) how many kilometers have your preamble?
    – Fran
    Mar 5, 2020 at 21:23
  • (3) there are some packages to work with sub-documents with different approaches: search about childdoc, combine, docmute, minidocument, subdocs, subfile and standalone.
    – Fran
    Mar 6, 2020 at 0:29
  • What are your design aims? A ToC per volume or an overall ToC? Similarly for Bibliography. Why split appendices between volumes -- each should be individual. Do you really expect your reader of volume 3 to be able to refer to an equation in volume 1? Basically I think that each volume should be as independent as possible. Mar 6, 2020 at 19:36
  • @PeterWilson A detailed ToC per volume + a Toc of chapter names of other volumes. I want the page number, theorem number, figure number, etc. of vol2 not to start at 1. I can reference in vol3 a theorem number 145 of vol1.
    – user5402
    Mar 6, 2020 at 19:47

1 Answer 1


I'm thinking the best option here would be to do something along the lines of


Your document class should handle things like resetting the page number to 1 at th beginning of each volume (assuming that's the desired choice) potentially restricting the table of contents, index etc. to the current volume.

  • The document class isn't book?
    – user5402
    Mar 5, 2020 at 21:54
  • book would be a good starting point, but there are a number of customizations necessary that you might end up using a custom document class (that's what I mean about the your document class should handle... comment below).
    – Don Hosek
    Mar 5, 2020 at 22:04
  • @user5402 As you haven't bothered to provide an MWE how are we to know which class you have used. If you want help then please try and help us. Mar 6, 2020 at 19:22

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