Standard Practice Guides (SPG)
The Standard Practice Guides (SPG) subseries, 1999-2013 (1.8 linear feet), is arranged numerically. There are three (601.22, 601.22-1, and 201.89) that are very closely related, which has been added as a note.
The Standard Practice Guides (SPG) subseries, 1999-2013 (1.8 linear feet), is arranged numerically. There are three (601.22, 601.22-1, and 201.89) that are very closely related, which has been added as a note.