Field notes of the rhododendrons collected by Rock in 1923/24
n.p. n.p. 1925 151pp.
Lionel Nathan de Rothschild Joseph Rock. Compiled by Lionel de Rothschild
Notes
Description of 439 rhododendrons and their native habitat in Tibet and China, with occasional comments on points of horticultural interest. Each entry appears in quotation marks, suggesting that they are Rock's own notes and that Lionel de Rothschild's role is one of facilitator and publisher.