PH author of An Introduction to Buddhism, b.1951 is Brian Peter Harvey, Professor of Buddhist Studies, University of Sunderland.
PH author of Sheffield since 1900 was a Sheffield journalist who died 2008 aged 73.
PH author of Remeniscences and Anecdotes of Daniel Webster was a US author, 1810-1871.
PH author of Clonmel: Disaster to discovery is an Australian author.
PH author of Glory, Laud and Honour is a US author, not one of the above.