Scope and Contents From the Series: Accession records for Library collections kept until 1972 by the Order Section of the Technical Services Department and its predecessor departments. From 1877 through 1917, general accessions were recorded in manuscript volumes. In 1918, typed slip accession records were begun and maintained with various numbering systems until 1972, when accession records were merged with order records in a new volume format. Special Collections accessions including Ayer, Greenlee, and Wing were maintained...