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- [25] SUMMER DIETS OF THE POOR IN WASHINGTON, D. C. MILBANK MEMORIAL FUND QUARTERLY, 1938, 17 (01): : 5 - 28
- [26] Characteristics of the ionosphere at Washington, D. C., March, 1938 PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1938, 26 (05): : 640 - 643
- [28] FOREIGN LANGUAGES IN WASHINGTON (D. C.) ELEMENTARY SCHOOLS SCHOOL AND SOCIETY, 1952, 76 (1976): : 279 - 279
- [29] Characteristics of the ionosphere at Washington, D. C., August, 1937 PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1937, 25 (10): : 1354 - 1356