Blueprint plans and illustrations of buildings designed by the architectural firm Lawrence & Holford, which operated in Portland, Oregon, in the 1910s and 1920s. The firm was later named Lawrence, Holford, Allyn & Bean, and then Lawrence, Holford & Allyn.

Collection includes 1 drawing by architect Carl L. Linde of a nine-story apartment building (the Ambassador Apartments), next to the University Club in Portland, for Donald B. McBride and Richard F. Wassell.

Collection consists of specifications and 12 sheets of plans for a residence in Portland, Oregon. The house was designed for Lewis H. Mills and Elinor Lawrence Mills, and built at 655 Irving St. (now 2039 NW Irving St.).

Collection includes 8 plans, elevations, sections and details on 7 sheets of a house for Mrs. Nancy G. Roche in Portland, Oregon, by architect Stewart Tuft.

Collection includes 1 plan on 1 sheet of a house for William Sherlock at NW 21st Ave., W. Burnside St., NW Davis St. and NW King Ave. in Portland, Oregon. Sherlock (1817-1901) was born in Ireland and migrated to Portland, Oregon, where he established a livery business in 1850. His property investments included 45 acres in northwest Portland.

Collection includes 8 photograph plans, elevations and sections on 6 sheets, as well as photocopy manuscript specifications, for the Dr. Curtis C. Strong residence at SW Park Ave. and SW Salmon St., Portland, Oregon.