'... developed from volumes published under the the title "Selected climbs in the Pennine Alps" [by John Neill] 1962 (one vol.), "Selected climbs in the Pennine Alps" (Collomb) 1968 (2 vols.)' - title page verso.
Bibliography: p.14-17. _ Includes index.
Pennine Alps Central : Weisshorn-Dent Blanche-Monte Rosa-Matterhorn Chains-Italian Valley-Ranges-Valpelline South by Robin G. Collomb. ISBN 090052314X. Published by Alpine Club in 1975. Publication and catalogue information, links to buy online and reader comments.