I gather from Gareth Russell's post that, contrary to assumption, integrating a LaTeX document into a Mathematica notebook is possible. That's encouraging. Following are some details.
In answer to Russell's last question: Yes, I tried Import[] in several variations including his formulation. In all cases, I was calling import[] from within a notebook using two different .tex documents (attached here). Having never done that before, all my attempts were experimental.
In the case of Untitled Document.tex, Russell's formulation of Import[] returns a network object and opens a new notebook, which is empty except for a text string, "Document.tex".
In the case of stat-cookbook.tex, Import[] simply returns "$Failed" with no further error message.
Possibly helpful background:
The objective (distant though it seems at the moment) is a manipulatable Mathematica notebook that contains the abbreviated information contained in a handy .pdf reference sheet written by Matthias Vallentin. That too is attached.
The initial Import[] step is important because I am not fluent in LaTeX.
Before posting this question, I noticed the creation of a network object and found the Wolfram Language documentation tutorial/ManipulatingNotebooks that describes several functions for managing network objects. But despite being called a tutorial, it assumes familiarity (absent in my case) of how notebooks relate to a "frontend". I have not found documentation explaining that broader context.
I've probably omitted pertinent details here. But, based on the possibility of success implied by Russell's post, I will watch this thread carefully and answer questions quickly.
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