Beginning in 1884, the University of Texas School of Law, originally Department of Law, commissioned a composite picture of senior class photographs. The first composite, created the spring after the University opened, included both junior and senior Laws. From 1884 to 1960, every senior class was memorialized this way. Although there is significant overlap with the yearbooks The Cactus and later, The Peregrinus, the composites are a unique resource for the history of the School of Law.

The composites themselves range from original prints of approximately 8 x 14 inches to large reprints of nearly 30 x 40 inches, once displayed in a poster rack in the Tom C. Clark Student Lounge. 

Following the opening of Jones Hall and the new library, the collection was transferred to Special Collections, where it became part of the UT Law Photograph Collection in the Archives.