De Sola Pool wrote several important books about Jewish history in Colonial America including "Portraits Etched In Stone — Early Jewish Settlers, 1682–1831" (1952) and together with his wife, Tamar de Sola Pool, "An Old Faith in the New World — Portrait of Shearith Israel, 1654–1954" (1955). He co-authored with his wife, Tamar de Sola Pool, "Is There An Answer: An Inquiry into Some Human Dilemmas" (1966). They also co-edited the Parenzo Haggadah for Passover (1951, 1975). De Sola Pool edited the prayerbooks used for the United States Armed Forces. He also wrote a book, "Why I am a Jew" (1957), part of a series written by leading clerical figures, which remains a supremely well-written introduction to Judaism.