Map showing residential addresses of members of Congregation Poale Zedeck in 1917 (blue), 1921 (red) and 1924 (yellow). Information from “Pittsburgh Jewish Society Book” (1917) [online], “Pittsburgh Jewish Community Book” (1921) [online—Historic Pittsburgh], and “Pittsburgh Jewish Community Book” (1924). While efforts have been made to ensure the accuracy of current locations, researchers are encouraged to verify data.