Louisana, Louisiana State University Press 1940 xi + 45pp. + 32pp. [i.e. pp.258 to 289], 26cm., Doctoral Dissertation ("A portion of a Dissertation submitted to the Board of University Studies of the Johns Hopkins University in conformity with the requirements for the Degree of Doctor of Philosophy 1936"), softcover, stamp at verso of title page, text is clean and bright, T112717