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On the Choice of Books

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On the Connexion of the Physical Sciences

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On the constitution of atoms and molecules

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On the Construction of a Silvered Glass Telescope: Fifteen and a half inches in aperture, and its use in celestial photography

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On the Construction of Catalogues of Libraries and Their Publication by Means of Separate, Stereotyped Titles: With Rules and Examples

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On the Cross: A Romance of the Passion Play at Oberammergau

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On the Curability of Certain Forms of Insanity, Epilepsy, Catalepsy, and Hysteria in Females

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On the Decay of the Art of Lying

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On the Development and Distribution of Primitive Locks and Keys

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On the Duty of Civil Disobedience

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On the Duty of Civil Disobedience by Henry David Thoreau

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On the Economy of Machinery and Manufactures

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On the Edge of the Arctic; Or, An Aeroplane in Snowland

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On the Edge of the Primeval Forest: Experiences and Observations of a Doctor in Equatorial Africa

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On the Edge of the War Zone: From the Battle of the Marne to the Entrance of the Stars and Stripes

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On the effect of electric and magnetic fields on spectral lines

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On the effect of the motion of a body upon the velocity with which it is traversed by light

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On the Equator

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On the Ethics of Naturalism

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On the Eve of Redemption

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On the eve: A novel

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On the Eve: A Novel by Ivan Sergeevich Turgenev

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On the Evolution of Language by John Wesley Powell

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On the Evolution of Language: First Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1879-80, Government Printing Office, Washington, 1881, pages 1-16

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On the Execution of Music, and Principally of Ancient Music

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On the Existence of Active Oxygen: Thesis Presented for the Attainment of the Degree of Doctor of Philosophy at the Johns Hopkins University

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On the Face of the Waters: A Tale of the Mutiny

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On the Face of the Waters: A Tale of the Mutiny by Flora Annie Webster Steel

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On the Field of Glory: An Historical Novel of the Time of King John Sobieski

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On the Firing Line

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