WALLACE, EDGAR. On the spot. (In Detective story magazine, Apr. 25-May 30, 1931) (Pub. abroad in Sunday pictorial, Dec. 7, 1930-Mar. 22, 1931) © pt.1, 7Dec30, AI-14727; pt.2, 14Dec30, AI-14739; pt.3, 21Dec30, AI-14757; pt.4, 28Dec30, AI-14771; pt.5, 4Jan31, AI-14794; pt.6, 11Jan31, AI-14819; pt.7, 18Jan31, AI-14845; pt.8-9, 25Jan, 1Feb31, AI-14877; pt.10-11, 8Feb, 15Feb31, AI-14926; pt.12-14, 16, 22Feb, 1Mar, 8Mar, 22Mar31, AI-14966; chap.1-4, 16Apr31, A5-28947; chap.5-7, 24Apr31, A5-30183; chap.8-11, 1May31, A5-30354; chap.12-17, 8May31, A5-30483; chap.18-21, 15May31, A5-31014; chap.22-24, 22May31, A5-31201. Patricia Marion Caldecott Frere (C); 29May58; R215833-215842.