Analysis of information sources in references of the Wikipedia article "Gemara" in English language version.
For further details see Bacher, "Gemara," in "Hebrew Union College Annual," pp. 26-36, Cincinnati, 1904, where the word is shown to have been used for "Talmud" from the geonic period (see also idem, "Die Terminologie der Amoräer," pp. 31 et seq., Leipsic, 1905).