The Operation, Care and Repair of Farm Machinery was a text book published by John Deere and presented with their compliments to high school Agriculture classes. This is a list of the Edition numbers with the year they were published.

THE OPERATION, CARE & REPAIR OF FARM MACHINERY

Edition # Year

1 1927
2 1928
3 1929
4 1930
5 1931
6 1932
7 1933
8 1934
9 1935
10 1936
11 1937
12 1938
13 1939
14 1940
15 1941
16 1942
17 1943
18 1944
19 1945
20 1946
21 1947
22 1948
23 1950
24 1951
25 1952
26 1953
27 1955
28 1957