nostr:npub1vr4dqq5vzpz0kaavv3lc3098jmfzrpdtj79dazpemytqw4ansf0q2d92wq https://archive.org/details/adobetype1fontfo0000unse
That was damn hard to find, but the ISBN got found here
https://www.google.com/books/edition/Adobe_Type_1_Font_Format/b9BQAAAAYAAJ?hl=en&gbpv=0&bsq=M0825LL/A&kptab=overview