Theodor Schultz was a Moravian missionary in British Guiana at the turn of the nineteenth century. The Lokono ("Arawak") language manuscripts sent to the APS by him include both a grammatical treatise (organized upon the Latin model) ("Grammaticalische Sätze von der Aruwakkischen Sprache") and an extensive Lokono-German dictionary ("Aruwakkisch deutsches Wörterbuch, vermehrt 1803").

This manuscript copy contains dictionaries of nine Indian vocabularies, such as Aztec, Algonkin, and Huron, and was taken from Reland's "Dissertationum miscellanearum pars tertia" (Utrecht, 1708). [Vocabularies compiled from printed sources,of South and North American dialects: Brasilica (1590,1595,1648); Chilensis (1647); Peruana, Poconziae [or Poconomica, Guatemala and Honduras]; Caraibica [Antilles], 1658; Mexicana [Otomitica, Chontalica, Zoquina, Cascan, Niciecana, Chicemeca dialects mentioned]; Virginiana (1966 [Eliot] 1685 [Mather], Algonkina [1703 La Hontan] Huramica (German-Huron vocabulary not included; 1822.]