A risky way to kill; an Inspector Heimrich mystery.

by Lockridge, Richard, 1898-1982
Philadelphia : J. B. Lippincott Company, 1969
[First edition.]

The distant clue : a Captain Heimrich mystery /

by Lockridge, Richard, 1898-1982, Lockridge, Frances Louise Davis
Philadelphia : J.B. Lippincott Company, 1963
First edition.

Think of death /

by Lockridge, Richard, 1898-1982, Lockridge, Frances Louise Davis
Philadelphia : J.B. Lippincott, 1947
First edition.