The Adventures of Sherlock Holmes and Dr. Watson: The Twentieth Century Begins, Part 1
(Hederly - Hydraulic Engineer)
The Adventures of Sherlock Holmes and Dr. Watson: The Twentieth Century Approaches
(Hederly - Hydraulic Engineer)
The Adventures of Sherlock Holmes and Dr. Watson
(Hederly - Hydraulic Engineer)
The Adventures of Sherlock Holmes and Dr. Watson: The twentieth century begins
(Victor Hederly - hydraulic engineer)