Pheru Thakkura Rayanaparikkha A medical prakrit text on gemmology with sans comm and ng tr by sreeramula Rajeswara sarma by Thakkura Pheru - Aligarh Vivek pub 1984 - 84p. cm. Standard No.: 68,069 Source: Textual Subjects--Topical Terms: GEMS Dewey Class. No.: Hl9, 151M4;1-;2