Given this paragraph about Harold Brainerd Hersey, what did he do and when were his observations published?

Harold Brainerd Hersey (April 11, 1893 – March 1956) was an American pulp editor and publisher, publishing several volumes of poetry. His pulp industry observations were published in hardback as Pulpwood Editor (1937).

Harold Brainerd Herse was an American pulp editor and publisher. His observations were published in 1937.