The Horror in the Museum

From Author Wars - https://authorwars.com/publications/the-horror-in-the-museum-149141.html

Overview:

Title: The Horror in the Museum
Author: H. P. Lovecraft
Year: 2007
ISBN-10: 0345485726
Publisher: Del Rey / Ballantine
Price: $16.95
Pages: xxi+453
Binding: Trade Paperback
Type: Collection
Title Reference: The Tree on the Hill
Notes: "Some tales in this collection were inspired by H.P. Lovecraft, others he revised, two he co-authored - but all bear the mark of the master of primordial terror"--Back cover.
Elizabeth Neville Berkeley and Lewis Theobald, Jr. are pseudonyms of Winifred Virginia Jackson and H.P. Lovecraft.
"Originally published in different form in hardcover in the United States by Arkham House Publishers, Inc., in 1970. This edition was first published by Arkham House Publishers, Inc., in 1989"--T.p. verso.
Introduction by Stephen Jones ; a note on the texts by S.T. Joshi ; Lovecraft's "Revisions" by August Derleth. Contents' page numbers from Archive.org copy. Other prices on back cover: Canada $21.95.