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Book List
5
-
Visual methods in education / by W. L. Summer.
- 371.335 S9561
- Sumner, William Leslie, 1904-1973.
- B. Blackwell,
- [19--?]
- Oxford, Eng. :
-
Progress in science / by W.L. Sumner.
- 509 S9561
- Sumner, William Leslie, 1904-1973.
- Basil Blackwell,
- 1946.
- Oxford :
-
The teaching of science / W.L. Sumner.
- 507 S9561 1947
- Sumner, William Leslie, 1904-1973.
- B. Blackwell,
- 1947.
- Oxford :
-
Statistics in school / by W. L. Sumner.
- 519.5 S9561
- Sumner, William Leslie, 1904-1973.
- B. Blackwell,
- 1948.
- Oxford :
-
Progress in science / by W.L. Sumner.
- 509 S9561 1946
- Sumner, William Leslie, 1904-1973.
- Basil Blackwell,
- 1946.
- Oxford :