I do. My specialty is philatelic literature related to US essays and proofs, but I branch out elsewhere too. If you want info on essay/proof literature I can help. There are a number of rare books, pamphlets, etc., including Brazer's price lists, Mason, etc. In particular...
Copies of the
Essay-Proof Journal are occasionally listed on e_bay, though they're usually somewhat pricey. Though I have hard copies of select issues, the entire run is available on the Newman Numismatic Portal. The EPJ published two indexes, one at their 25th anniversary and another at their 50th. Let me know if you want the exact volume numbers for those indexes and I will try and locate them for you. Here's the main search link:
https://nnp.wustl.edu/library/searc...of%20journalWhile not rare (more like "scarce") I'd like to mention the
American Philatelic Congress books. These can be purchased individually for relatively little money. Do a search on e_bay for "American Philatelic Congress" and you'll see that prices range from $10 – $20. They're a wonderful resource on a vast range of topics. And to that effect you'll want to refer to the APC index:
First, a link to the APC website where you can read about the contents of issues dating back to 2009:
https://americanphilateliccongress....ngress-book/Then, there is a printed index of the APC books 1935–2006 available from the APRL. Go to the APRL online catalog and search for "index to congress books". In the mid-90s I purchased what was then a two volume set of these indexes, probably from Leonard. They're relatively thin.
Otherwise, I'd suggest posting back with a list or range of topics, or specific publications that you're looking for aside from Pat Paragraphs.
