Scope and Contents The accession ledgers for the American Entomological Society's library comprise this small collection. The pages of each ledger have printed columns with handwritten contents. The entries of the first volume were entered well after the books were collected: a note on page 2 states, "Began giving accession numbers and entering 1/20 1909." The first book obtained by the AES -- Melsheimer's (1853)Catalogue of the described Coleoptera of the United...