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01 - The Code of Honor, Rules for the Government of Principals and Seconds in Duelling
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02 - US Copyright Renewals, 1973 July-December, Part 1
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03 - Words of Two Syllables, A selection from The English Spelling Book
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05 - Umbrellas and Their History, Chapters 1 and 2
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06 - Let's Collect Rocks and Shells
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07 - The University Ideal - Past and Present
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08 - Currents, from The Standard Electrical Dictionary
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09 - Selections from NNGA Report of the Proceedings at the 42nd Annual Meeting, Urbana IL, August 28-30, 1951
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10 - 'Pests and Diseases of Plants' from One Thousand Questions in Agriculture Answered
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11 - A Comprehensive Dictionary of English Synonyms, A's
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12 - Detection of Forgery, Part 1
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13 - The Detection of Forgery, Part 2
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15 - A Declaration of the Causes
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16 - Rules and Regulations of the Insane Asylum of California
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17 - The Epistle to the Reader and Explanatory Notes from The Annals of The World
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19 - Ta'tilat or A Treatise Concerning the Permutations of Letters in the Arabic Language: Preface and Preliminary Observations
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20 - Ta'tilat or A Treatise Concerning the Permutations of Letters in the Arabic Language: Section I, II and III