Linked to the main subject matter of his collection, Cobb pursued his interest in ecclesiastical buildings. He held membership of the Ecclesiological Society, where he had been Vice President in 1976, the Art Workers' Guild, where he was elected Master in 1953, and was elected a member of the Society of Antiquaries. His scholarly contribution to the study and appreciation of cathedrals and churches, as well as the substantial number of photographic images, has been recognised through his many published works and the tributes paid by his peers to his expertise and influence.
