Geerlings worked as a designer in the New York firms of York & Sawyer (1922-1924) and Starrett & Van Vleck (1925) before establishing his own architectural practice in 1926. During 44 years of practice, he designed many residences and served as a product consultant for Kohler Company, Remington-Rand and Spalding. Geerlings wrote about domestic architecture, publishing, and illustrating articles for House & Garden, House Beautiful, Woman’s Home Companion, Better Homes & Gardens, House & Home and Architecture.
The collection comprises student drawings, travel sketches, illustrations, cityscape drawings, intaglio prints, and lithographs, created between 1922 and 1986. The collection includes a small number of miscellaneous materials but does not include holdings related to Geerlings architectural works, biographical or personal materials, or any documentation of his military service.