[2] She attended Eastern High School, where she was trained as a stenographer, and received her undergraduate degree from Johns Hopkins University.

[4] Zetzer's first client paid her in candy, the second in "hose" due to a societal reluctance to give women money.

[7] She was friends and colleagues with another University of Maryland graduate and lawyer for women's rights, Marjorie Cook.

In 1947, due to the efforts of her and other activists, a partial women's jury service bill passed in the Maryland General Assembly.

[11] A Jewish woman, Zetzer applied to become the first female assistant in the State's attorney's office of Baltimore City in the 1950s, but was ultimately denied the position "as a matter of religion".