The emerald of Catherine the Great

Dell, Ethel M. (Ethel May), 1881-1939

McNeile, H. C. (Herman Cyril), 1888-1937

Macaulay, Rose, 1881-1958

Knox, Ronald Arbuthnott, 1888-1957

Beresford, J. D. (John Davys), 1873-1947

Dennis, Geoffrey, 1892-1963

Greiffenhagen, Maurice, 1862-1931 [Illustrator]; Magnay, William, Sir, 1855-1917

Capes, Bernard, 1854-1918

Fraser, Ronald, 1888-1974

Rohmer, Sax, 1883-1959

Aumonier, Stacy, 1887-1928