Genuine Atlas Cycle Accessories for Motorcycles and Cyclist. 32 pages. Measures 8 1/2 x 11 inches. Parts for Harley-Davidson, Indian, Triumph, BSA as well as others. I did not find a date of publication but the newest parts I found were for 1949 Harleys and Indians. There is some damage on the back cover where a label has been removed however a 48 HD remains.