| ID | Author | Yiddish Title | English Title | Published | Publisher | Price | Other |
| 136 | Okrutniy, Iosef | Hungueriker Friling | Hungry Spring / Primavera Hambrienta | 1988 | Farlag Idishbuch | $18.00 | |
| 135 | Okrutny, I. | Orem Glik | Poor Happiness / Dicha Humilde | 1966 | Bukh Komitet un Yidisher Penklub in Nyu York | $25.00 Library | |
| 139 | Okrutny, Josef | Esseyen fun Harbstikn Gemit | Essays of Autumnal Spirit | 1980 | Farlag Y. L. Peretz | $25.00 Library | |
| 138 | Okrutny, Josef | Tzvishn Grenetzn | Between Borders | 1982 | Farlag Nei Lebn | $25.00 | |
| 137 | Okrutny, Joseph | Yorn fun Tsorn | Years of Suffer | 1987 | Yiddishbook Tel Aviv | $25.00 | |
| 109 | Olei, Eliezer | Oyf Fremde Erd | On Strange Earth | 1979 | Urli | $25.00 Library | |
| 110 | Oler, Leon | Zayn Lebn un Tetikayt | His Life and Works | 1973 | Farlag Unser Tsait | $25.00 Library | |
| 64 | Olgin, M. | In Der Velt fun Gezangen | In the World of Song | 1919 | Forward | $25.00 Library | |
| 67 | Olgin, M. | Kultur un Folk | Culture and the People | 1949 | YKUF | $25.00 | |
| 65 | Olgin, M. J. | Fun Mayn Tog-Bukh | From My Diary | 1926 | Forward | $25.00 | |
| 87 | Olicki, L. | Der Mentsz Wet Gut Zajn | The Person Will Be Good | 1947 | Farlag Dos Naye Lebn | $25.00 Library | |
| 88 | Olicki, L. | Dodie Kowal | Dodie the Blacksmith | 1955 | Farlag Idisz Buch | $25.00 Library | |
| 89 | Olicki, L. | Dodie Kowal | Dodie the Blacksmith | 1955 | Farlag Idisz Buch | $18.00 | |
| 83 | Olicki, L. | Menczen in klem | People in A Dilemna | 1951 | Farlag Yidish Bukh Varshe | $18.00 | |
| 81 | Olicki, L. | Mentshn fun Mayn Shtetl | People From My Town | Unknown Post-WWII | Farlag Yidish Bukh Varshe | $30.00 Library | |
| 86 | Olicky, L. | Zogt Di Velt a Moshl | Tell the world a fable | Est. 1950's | Idisz Buch | $25.00 Library | |
| 96 | Olitcky, L. and M. | Lider cu a Bruder | Songs to a Brother | 1964 | Farlag Nachmeyni | $25.00 | |
| 77 | Olitski, Borekh | Mayn Blut iz Oysgemisht | My Blood is Mixed Up | 1961 | YKUF | $18.00 | |
| 82 | Olitski, L. | Shparunes in Hartsn | Crevices in the Heart | 1962 | Farlag Tur-Adia | $18.00 | |
| 84 | Olitsky, L. | Fun Ejgenem Fels | Fun One's Own Rock | 1964 | L. Olitsky Komitet Yisroel | $25.00 | |
| 85 | Olitsky, L. | Vor in Vern | Truth in Becoming | 1967 | Ha Menorah | $25.00 Library | |
| 78 | Olitsky, L. | Woliner Jden | The Jews of Volin | 1973 | Farlag Al-Ha-Miftan | $25.00 Library | |
| 94 | Olitsky, M. | Esey un Lid | Essays and Poems | 1993 | Israel-Book Publishing-House | $25.00 Library | |
| 93 | Olitsky, M. | Lid un Esey | Poems and Essays | 1988 | Publishing-House Israel-Book | $25.00 Library | |
| 91 | Olitsky, M. | Lider far Yugnt | Poems for Youth | 1974 | Bildungs-Komitet fun Arbeter-Ring / Workmen's Circle | $36.00 Library | |
| 92 | Olitsky, M. | Lider fun frier un fun itst | Poems Past and Present | 1980 | Publishing-House Israel-Bukh | $18.00 | |
| 79 | Olitzki, L. | Durkh Toyt Tsum Lebn | Through Death to Life | 1949 | Farlag Icuf | $25.00 | |
| 80 | Olitzky, L. | Mein Hartz-Reize | My Heart-Journey | 1960 | Farlag Y. L. Peretz | $25.00 Library | |
| 95 | Olitzky, M. | Freileche Teg | Happy Days | 1964 | Educational Department of the Workmen's Circle / Arbeter Ring | $25.00 | |
| 90 | Olitzky, M. | Geklibene Lider | Selected Works | 1967 | Farlag Y. L. Peretz | $23.00 | |
| 515 | Opatoshu, David | Tvishn yam un midber | Between Sea and Desert | 1957 | CYCO | $23.00 | |
| 117 | Opatoshu, Y. | B'yaarot Polin | In the Forests of Poland | 1921 | Stybel Publishing House | $30.00~ $36.00 | |
| 118 | Opatoshu, Y. | Bar-Kochba: Der Letzter Oyfshtand | Bar Kochba: The Last Insurrection | 1955 | CYCO | $30.00 | |
| 119 | Opatoshu / Opatovsky, Y. | Morim | | 1918 | Unknown | $36.00 Library | |
| 120 | Opochinksky, Peretz | Gezamelte Shriften | Collected Works | 1951 | Rina Opper-Opochinksky | $25.00 Library | |
| 22 | Oren, Mordecai | Der Proger Arestant Dertseylt | The Story of a Political Prisoner in Prague | 1959 | Farlag Y. L. Peretz | $25.00 Library | |
| 23 | Oren, Mordecai | Der Proger Arestant Dertseylt | The Story of a Political Prisoner in Prague | 1959 | Farlag Y. L. Peretz | $25.00 | |
| 145 | Ornstein, Shimon | Gerangl | Struggle | 1980 | Farlag Y. L. Peretz | $18.00 | |
| 189 | Osherowitch, Hirsch | A Liderheym | A Song-Home | 1990 | Publishing-House Israel-Book | $25.00 Library | |
| 184 | Osherowitch, Hirsh | Bloye Bumerangen | Blue Boomerangs | 1979 | Publishing-House Israel-Book | $18.00 | |
| 185 | Osherowitch, Hirsh | Gezangen in Labirint | Songs in the Labrinth | 1977 | Pulishing-House Israel-Book | $25.00 | |
| 187 | Osherowitch, Hirsh | Tanach-Poemes | Bible Poems | 1979 | Farlag Reshafim | $18.00 | |
| 190 | Osherowitch, Hirsh | Tzwishn Blitz un Duner | Between Lightening and Thunder | 1973 | Y.L. Peretz Publishing House | $23.00 | |
| 186 | Osherowitch, Hirsh | Wundiker Bitokhn | Amazing Faith | 1987 | Publishing-House Israel-Book | $25.00 Library | |
| 188 | Osherowitch, Hirsh | Zunengang | Sun Movement | 1969 | Farlag Sovetski Pisatel | $18.00 | |
| 196 | Osherowitch, M. | Der Sof fun Soyne-Yisrol | The End of the Enemies of Jews | 1942 | Farlag Arbeter Ring | $23.00 | |
| 197 | Osherowitch, M. | Der Sof fun Soyne-Yisrol | The End of the Enemies of the Jews | 1942 | Farlag Arbeter Ring | $25.00 Library | |
| 192 | Osherowitch, M. | Dovid Kesler un Muni Vayzenfraynd - Tsvey Doyres Yidish Teater | David Kesler and Muni Vayzenfraynd: Two Generations of Yiddish Theater | 1930 | M. Osherowitch | $25.00 Library | |
| 191 | Osherowitch, M. | Geshikhtes fun Mayn Lebn | Tales of My Life | 1945 | Forward Association | $25.00 Library | |
| 193 | Osherowitch, M. | Kinigin Merjim | Queen Marianne | 1959 | M. Osherowitch Jubilee Committee | $25.00 Library | |
| 199 | Osherowitch, M. | Kolomon Valish | Kolomon Valish | 1937 | Ferlag Kinder Ring | $36.00 Library | |
| 195 | Osherowitch, M. | Shtet un Shtetlekh in Ukraine | Cities and Towns in the History of the Jews in Russia and the Ukraine | 1948 | M. Osherowitch Jubilee-Committee | $25.00 Library | |
| 183 | Osherowitz, Hirsh | Baym Etz-Hadaas | By the Tree of Knowledge | 1981 | Publishing-House Israel-Book | $25.00 | |