DOYLE, SIR ARTHUR CONAN. The story of Spedegue's dropper. (Pub. abroad in The Strand magazine, Oct. 1928; illustrated by J. H. Thorpe) © 25Sep28, AI-11938; 16Mar29, A9666. Adrian M. Conan Doyle & Lena Jean Annette Conan Doyle (C); 4May56; R169934.