[1] In it, he explore how a young civilian rabbi was "converted" to the role of a military chaplain who helps men and women of all faiths.

[1] As the playwright Brendan Behan wrote in a review for his first novel, The Conversion of Chaplain Cohen (1963), while Tarr "has us busy laughing, he's throwing sermons at us behind our backs".

affirmed Tarr's mixture of humor and serious messages, noting that Tarr's easy-going and companionable rambles through American Jews' spiritual and secular preoccupations (Heaven Help Us!, 1968) continue to amuse, but here he explores some deeply serious and disturbing matters such as Vietnam, the plight of Soviet Jewry, and the essence of religion.

[6] Tarr wrote one play, "The New Frontier," a comedy that held tryouts in New Haven and Philadelphia, with the hope that it would make it to Broadway.

[10] Tarr's 1979 novel, So Help Me God!, published seven years after the 1972 ordination of Sally Priesand includes a rabbinical student Isaca Zion.