- Serrell-Opdycke-Patrick papers /
- Series I. New York City Land Maps and Surveys /
- Block# 895 - #101 E. 39th St. (bet. Lexington and Park Aves).; #131 E. 39th St.; #344 Lexington Ave. (bet. 39th and 40th Sts.) ; E. 40th St.; Eastern Post Road (bet. E. 38th and E. 42nd Sts)