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Start Over Subjects Mental Disorders ✖Remove constraint Subjects: Mental Disorders Subjects Mental Health Services ✖Remove constraint Subjects: Mental Health Services Titles A secret worth knowing: a treatise on the most important subject in the world, simply to say, insanity : the only work of the kind in the United States, or, perhaps, in the known world, founded on general observation and truth ✖Remove constraint Titles: A secret worth knowing: a treatise on the most important subject in the world, simply to say, insanity : the only work of the kind in the United States, or, perhaps, in the known world, founded on general observation and truth Copyright Public domain ✖Remove constraint Copyright: Public domain Dates by Range 1800-1849 ✖Remove constraint Dates by Range: 1800-1849

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  • A secret worth knowing: a treatise on the most important subject in the world, simply to say, insanity : the only work of the kind in the United States, or, perhaps, in the known world, founded on general observation and truth1