What do abbreviations and terms like ALS, IPS, and recto mean?
ALS(Autographed letter signed), IPS(Inscribed Photograph Signed) and Recto(The side of a page that is to be read first) are abbreviations and terms used to describe types and aspects of manuscripts and other original documentary material. Among is publications, The Manuscript Society has produced a guide to these abbreviations and terms: The Manuscript Society Criteria for Describing Manuscripts and Documents.
