352 VITAMIN REQUIREMENTS 



197. Rabinowitz, J. C. and E. E. Sncll. 1953a. Arch. Biochem. Biophys. 43: 399-407. 



198. Rabinowitz, J. C. and E. E. Snell. 1953b. /. Am. Chem. Soc. 75: 998-999. 



199. Raper, K. B., R. D. Cogbill, and A Hollaender. 1945. Am. J. Botany 32: 165- 

 176. 



200. Reid, E. B., E. G. Pritchett, and J. E. dishing. 1952. /. Biol. Chem. 199: 443- 

 450. 



201. Reissig, J. L. 1952. Arch. Biochem. Biophys. 36: 234-235. 



202. Renaud, J. and M. Lachaux. 1945. Compt. rend. (Paris) 221: 187-188. 



203. Rickes, E. L. et al. 1948. Science 108: 634-636. 



204. Robbins, W. J. 1938a. Bull. Torrey Botan. Club 65: 267-276. 



205. Robbins, W. J. 1938b. Proc. Natl. Acad. Sci. U. S. 24: 53-56. 



206. Robbins, W. J. 1939. Am. J. Botany 26: 772-777. 



207. Robbins, W. J. 1941. Proc. Natl. Acad. Sci. U. S. 27: 419-422. 



208. Robbins, W. J. and A. Hervey. 1955. Mycologia 47: 155-162. 



209. Robbins, W. J., A. Hervey, and M. E. Stebbins. 1950. Bull. Torrey Botan. 

 Club 77: 423-441. 



210. Robbins, W. J. and F. Kavanagh. 1938a. Am. J. Botany 25: 229-236. 



211. Robbins, W. J. and F. Kavanagh. 1938b. Bull. Torrey Botan. Club 65: 453- 

 461. 



212. Robbins, W. J. and F. Kavanagh. 1944. Bull. Torrey Botan. Club 71: 1-10. 



213. Robbins, W. J. and V. Kavanagh. 1942. Botan. Rev. 8: 411-471. 



214. Robbins, W. J. and R. Ma. 1941. Bull. Torrey Botan. Club 68: 446-462. 



215. Robbins, W. J. and R. Ma. 1942a. Am. J. Botany 29: 835-842. 



216. Robbins, W. J. and R. Ma. 1942b. Arch. Biochem. 1: 219-229. 



217. Robbins, W. J. and R. Ma. 1942c. Bull. Torrey Botan. Club 69: 184-203. 



218. Robbins, W. J. and R. Ma. 1942d. Bull. Torrey Botan. Club 69: 342-352. 



219. Robbins, W. J. and R. Ma. 1942e. Science 96: 406-407. 



220. Robbins, W. J. and R. Ma. 1943. Bull. Torrey Botan. Club 70: 190-197. 



221. Robbins, W. J. and R. Ma. 1944. Science 100: 85-86. 



222. Robbins, W. J. and R. Ma. 1945. Am. J. Botany 32: 509-523. 



223. Robbins, W. J., J. E. Mackinnon, and R. Ma. 1942. Bull. Torrey Botan. Club 

 69: 509-521. 



224. Robbins, W. J. and M. B. Schmidt. 1939. Bull. Torrey Botan. Club 66: 139- 

 150. 



225. Robinson, F. A. 1951. The Vitamin B Complex. New York: John Wiley and 

 Sons, pp. 688. 



226. Rother, W. 1954. Arch. Mikrobiol. 20: 89-108. 



227. Rothwell, F. M. 1956. Am. ./. Botany 43: 28-32. 



228. Ryan, F. J., C. Kunin, R. Ballentine, and W. Maas. 1953. 7- Bacteriol. 65: 

 434-439. 



229. Salvin, S. B. 1949. /. Infectious Diseases 84: 275-283. 



230. Sarasin, A. 1953. Ber. scluveiz. botan. Ges. 63: 287-316. 



231. Sarett, H. P. and V. H. Cheldelin. 1944. /. Biol. Chem. 156: 91-100. 



232. Saunders, A. P., R. H. Otto, and J. C. Sylvester. 1952. /. Bacteriol. 64: 725- 

 728. 



233. Scheunert, A. and M. Schieblich. 1936. Biochem. Z. 286: 66-71. 



234. Schmidt, E. L. 1951. Soil Sci. 71: 129-140. 



235. Schmidt, E. L. and R. L. Starkey. 1951. Soil Sci. 71: 221-231. 



236. Schopfer, W. H. 1934a. Arch. Mikrobiol. 5: 511-549. 



237. Schopfer, W. H. 1934b. Ber. deut. botan. Ges. 52: 308-312. 



238. Schopfer, W. H. 1942. Compt. rend. soc. pliys. et hist. nat. Geneve 59: 101- 

 106. 



239. Schopfer, W. H. 1943. Plants and Vitamins. Waltham, Mass.: Chronica 

 Botanica Co., pp. 293. 



