Seixas, Gershom Mendes. A Religious Discourse, delivered in the Synagogue in this City, on Thursday the 26th November, 1789. Agreeable to the Proclamation of the President of the United States of America, to be observed as a Day of Public Thanksgiving and Prayer. New-York: Printed by Archibald M’Lean, M,DCC,LXXXIX. 16 p.
Seixas, Gershom Mendes. A Discourse, delivered in the Synagogue in New-York, on the Ninth of May, 1798, observed as a Day of Humiliation, &c. &c. Conformably to a Recommendation of the President of the United States of America. New-York: Printed by William A. Davis, for Naphtali Judah, 1798. 32 p.