The series comprises small notebooks which Condry carried with him, recording descriptions of places visited, observations on wildlife, particularly birds and plants, geology, industry, historical landmarks, archaeology, personal reminders, ideas for writing and lecturing, photography, bibliographies, useful contacts and conservation issues, 1952-1994. The main geographical areas covered are Bardsey Island, Cader Idris, Cardiganshire and Merionethshire. An index to the series is provided., compiled by Ceridwen Lloyd-Morgan, 2013.

The series comprises files on plants, birds and other wildlife, 1945-1983.

The series comprises typed scripts for radio and television programmes on a variety of subjects connected with plant and animal life, the seasons, history, topography and the work of early naturalists, with occasional letters from producers, who include Jeffery Boswall.