Heading is initialism of an author whose real name is not known
Names
HeadingP. H., M.D. used in: British Library: English Short Title Catalogue - AACR2 Heading, London (United Kingdom)
Variant NameH., P., M.D.
P.H., M.D.
Sources
Imprint SourcesT203212: his Eroto-machia, 1755 preface sgd P. H. M.D.; note on p.23="The author is to be heard of by directing a line for Mr. P. H., at George's Coffee-house, near Temple-Bar"