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By Leedy, Paul D..
New York McGraw-Hill 1963 .
xiii, 402 p.

By Leedy, Paul D..
New York | London Macmillan | Collier Macmillan 1981 .
ix, 165 p. 28 cm..
0023692502

By Leedy, Paul D..
New York Macmillan 1980 .
ix, 270 p. , Includes index.

By Leedy, Paul D..
New York | London Macmillan | Collier Macmillan 1989 .
xi, 318 p. , Includes index.

By Leedy, Paul D..
Boston Pearson 2013 .
xix, 364 p. 28 cm..
9780132693240 | 0132693240