I've relisted this book from my father's library:
History and Practice of Platinum Printing (2nd Revised Edition) by Luis Nadeau
https://www.ebay.com/itm/224206449440
(Auction includes a copy of Photographers' Formulary 2003 catalog; it's out of date, but might be useful as a reference for darkroom chemistry.)
History and Practice of Platinum Printing (2nd Revised Edition) by Luis Nadeau
https://www.ebay.com/itm/224206449440
(Auction includes a copy of Photographers' Formulary 2003 catalog; it's out of date, but might be useful as a reference for darkroom chemistry.)