Brother Blood by Donald F. Glut -- haven't you gotten your copy yet??
"Sail On, Sail On" by Philip Jose Farmer, Startling Stories, Dec. 1952
"Father" by Philip Jose Farmer, Fantasy & Science Fiction, July 1955
Calling the Ghost by G.T. Fleming-Roberts, The Ghost Super-Detective, Jan. 1940
The God of the Hive by Laurie R. King (Mary Russell and Sherlock Holmes series)