by C. L. Godske ...[et al.]. by R. L. Hobson ...[et al.]. by C. R. Wilke ... [et al.]. by R. A. Grange ...[et al.] by L. V. Groshev ... [et al.]. by C. L. Stewart ...[et al.]. by W. C. Allee ...[et al.]. by C. M. Purin ...[et al.]. by C. W. Carter...[et al.]. by Hugh P. Godard ...[et al.].