Crossword clues for Is the source of. 6 lettersAnswerClueSOURCEBibliography itemSOURCELake Itasca, to the MississippiSOURCEWhat Lake Victoria is to the Nile.SOURCEFootnote materialSOURCEOriginSOURCEFountainheadSOURCEBibliography acknowledgmentSOURCEInfo providerSOURCEGenesisSOURCECorrespondent's correspondentSOURCEListing in a footnoteSOURCERootSOURCEDeep Throat, to Woodward and BernsteinSOURCESpring, e.g.SOURCEReporter's aidSOURCEFootnote acknowledgmentSOURCEHorse's mouthSOURCEInformantSOURCEMichener's "The ___"SOURCESupplier of informationSOURCEPerson who knows the storySOURCEBibliography entrySOURCEWhere'd you read that?SOURCELong-running hip-hop magazine, with "The"SOURCEBeginningSOURCEWhat's your ___?SOURCEReporter's contactSOURCEFontSOURCEDocumentationSOURCEHorse's mouth, so to speakSOURCEFootnote content, oftenSOURCEOriginatorSOURCEWellspringSOURCEPoint of originSOURCEDerivation.SOURCEReporter's needSOURCEMichener title, with "The"SOURCEWhere it comes fromSOURCELake Itasca, for the MississippiSOURCEDeep Throat, for a famous exampleSOURCEFountSOURCEJournalist's secretSOURCEJournalist's informantSOURCEFountain.SOURCERiver's beginningSOURCELake Itasca, vis-à-vis the MississippiSOURCEA journalist may cite oneSOURCEOne given a citationSOURCEDeep Throat, e.g.SOURCEWhere something comes from