Correspondence with extensive data. Correspondents include: Graeme Backhurst Michael D. Gallagher Peter Hogg A.B. Malone Cyril Mitchell James F. Monk Peter Stewart Sir Arthur Landsborough Thomson

Data and related offprints.

Typescript with extensive manuscript corrections and amendments by Moreau and David Lack. Tabular summaries of data and bibliographical notes. Correspondents include: Geoffrey Vernon Townsend Matthews James F. Monk Kenneth D. Smith

Correspondence, maps and related offprints. Correspondents include: Professor Alexandr Ivanovich Ivanov

Data and calculations, related offprints and correspondence. Correspondents include: Chris Mead Norman More

Includes data and related offprints. Correspondents include: John Ash Professor Alexandr Ivanovich Ivanov

Correspondence. Correspondents include: Constantine W. Benson Richard Brooke P.A. Clancey Hugh Emmion Ian C.J. Galbraith Michael D. Gallagher Patricia Hall Professor Alexandr Ivanovich Ivanov General Sir Gerald Lathbury Stephen Marchant …

Data, bibliographical notes and related offprints.