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Letter from Abraham Alexandre Lindo to Isaac Leeser;January 19, 1849 A letter of introduction from Abraham Alexandre Lindo of Cincinnati, Ohio to Isaac Leeser in Philadelphia, Pennsylvania. Lindo introduces his son Frederick to Leeser and requests Leeser's feedback on Lindo's letters, inquiring about their potential publication in the West.
Letter from D. Lilienthal to Isaac Leeser;April 03, 1851 A letter of introduction from D. Lilienthal in New York City to Isaac Leeser in Philadelphia, recommending Mr. Schwess, a teacher of German and French, and arithmetic and mathematics, for the purpose of securing teaching positions in Philadelphia.