Editing Autograph collecting (section)

===Glossary===
In autograph-auction catalogues the following abbreviations are used to help describe the type of letter or document that is being offered for sale.
* '''AD''': Autograph Document (hand-written by the person to be collected, but not signed)
* '''ADS''': Autograph Document Signed (written and signed by same individual)
* '''AL''': Autograph Letter (hand-written by the person to be collected, but not signed)
* '''ALS''': Autograph Letter Signed (hand-written and signed by same individual)
* '''AMs''': Autograph Manuscript (hand-written; such as the draft of a play, research paper or music sheet)
* '''AMsS''': Autograph Manuscript Signed (hand-written and signed by same individual)
* '''AMusQs''': Autograph Musical Quotation Signed (hand-written and signed by same individual)
* '''AN''': Autograph Note (no salutation or closing, usually shorter than a letter)
* '''ANS''': Autograph Note Signed (hand-written and signed by same individual)
* '''APCS''': Autograph Postcard Signed (hand-written and signed by same individual)
* '''AQS''': Autograph Quote Signed (hand-written and signed by same individual; poem verse, sentence, or bar-of-music)
* '''DS''': Document signed (printed, or while hand-written by another, is signed by individual sought to be collected)
* '''LS''': Letter Signed (hand-written by someone else, but signed by the individual sought to be collected, frequently handwritten by secretaries before the advent of the typewriter)
* '''PS''': Photograph Signed or Postcard Signed
* '''SP''': Signed Photograph
* '''TLS''': Typed Letter Signed
* '''TNS''': Typed Note Signed
* '''folio''': A printer's sheet of paper folded once to make two leaves, double quarto size or larger.
* '''octavo(8vo)''': A manuscript page about six-by-nine inches. (Originally determined by folding a printer's sheet of paper to form eight leaves.)
* '''quarto(4to)''': A manuscript page of about nine and one-half by twelve inches. (Originally determined by folding a printer's sheet of paper twice to form four leaves.)