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("questions and answers"), replies made by rabbinic scholars in answer to submitted questions about Jewish law. These replies began to be written in the 6th century after final redaction of the Talmud and are still being formulated. Estimates of the total number of published responsa, which range in length from a few words to lengthy monographs and compendia, vary from 250,000 to 500,000. These would probably fill more than 1,000 volumes if collected together. Responsa constitute a distinctive body of Jewish religious literature.