| Autor: |
Powers, Francis F., Goetz, Robert, Bown, R. F., Gregory, L. T., Stoops, Emery, Ferguson, A. L., Wahlquist, John T., Hutchings, Raymond R., Osborn, Jesse, Hillbrand, Earl K., Pfeiffer, Otto A., Fritz, Ralph A., Joyal, A. E., Taylor, L. O., Manske, Armin A., Peterson, Le Roy, Nielsen, Niel C., Carmichael, A. Max, Cook, Raymond M., Karst, Walter F., Pound, Clarence A., Pointer, P. D., Stocker, C. G., Ruegsegger, Virgil, Holloway, G. Edward, Alvey, Edward, Mueller, A. D., Terry, Paul W. |
| Zdroj: |
The Phi Delta Kappan, 1936 May 01. 18(9), 267-296. |
| Databáze: |
JSTOR Journals |
| Externí odkaz: |
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