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THE ALPHABET
E. J. H. Mackay, The Indus Civilization, London, 1935 (German edition Die Induskultur, Leipsic, 1938; "ILLUSTR. LOND. NEWS." 1936 (14 & 21.11); "BULL OF THE Mus. OF FINE ARTS", Boston, Oct. 1936; "JOURN, OF THE AMER. ORIENT Soc.", 1937; Further Excavations at Mohenjo-Daro, Delhi, 1937-1938.
P. H. Heras, Mohenjo-Daro, the People and the Land, "INDIAN CULTURE," Vol. III, Calcutta, 1937; La escritura proto-indica y su desciframento, "AMPURIAS," Barcelona, 1940.
A. S. C. Ross, The "Numeral Signs" of the Mohenjo Daro Script, Delhi, 1938.
K. N. Dikshit, Prehistoric Civilizations of the Indus Valley, Madras, 1939. W. Norman Brown, "JOURN. OF THE AMER. ORIENT Soc.", 1939, Suppl. No.4. M. S. Vats, Excavations at Harappa, etc., 2 vols., Calcutta, 1940.
B. Hrozny, Die celteste Vælkerteanderung und die proto-indische Zivilisation (also in Czech), Prague, 1939; Inschriften und Kultur der Proto-Inder von Mohendscho-Daro und Harappa (ca. 2400-21000. Chr.). Ein Entzifferungsversuch, "ARCHIV ORIENTÁLNÍ," 1941 and 1942; Les inscriptions proto-indiennes. Essai de déchiffrement I (Vol. XIV of the Monographs of the Archiv Orientálni, Prague): Die älteste Geschichte Vorderasiens und Indiens, 2nd ed., Prague, 1943: Histoire de l'Asie antérieure etc., Paris, 1947