Col. V. A. G. Cecil's reports on visits to Peru in 1934, 1947 and 1953 Correspondence, notes and a few photographs for the 1934 visit; extract from 1947 report on Perene Colony (with photographs); report on Perene Colony as a result of visit to Peru, Mar.- Oct. 1953; report on 45 timbers from Peru, Forest Products Research Laboratory, 1953; analysis of the timber report by Cecil, 1953 1933-1953