Uppal, Swinder Singh, 1924- Nānaka Siṅgha te usa dī kalā. - [1964] - 229 p. 18 cm. In Panjabi. Bibliographical footnotes. LCCN: sa 65007612 Subjects--Personal Names: Singh, Nanak, 1827- LC Class. No.: PK2659.S514 / Z9