...On one point only are they in harmony: namely, that the validity of the right of property depends upon the authenticity of its origin... 
P. J. Proudhon 「What is Property?」
...Because of these results, Williamsquestioned the validity of the assumption that P...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...Stuart, who will discuss the variation in, and the validity of, thenamed populations of valliceps...
William E. Duellman 「A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico」
...The taxonomic validity of Pseudoficimia pulcherrima remains doubtful,for only minor characters distinguish it from P...
William E. Duellman 「The Amphibians and Reptiles of Michoacán, México」
...Okada (1934:17) questioned the validity of H...
Robert G Webb 「Some Reptiles and Amphibians from Korea」
..." However, a check of old correspondence and accession records at the National Museum confirmed, beyond doubt, the validity of the locality data for these specimens...
John M. Legler 「A New Tortoise, Genus Gopherus, From North-central Mexico」
...Waite has so generously admitted the validity ofmy answer to his criticism as regards meteors, I can do noless than admit that he scored one against me in his secondargument...
Various 「Astounding Stories, May, 1931」
...Thistheory received almost universal acceptance, Jim Carpenter alone of themore prominent men of learning refusing to admit the validity of it...
Various 「Astounding Stories of Super-Science July 1930」
...Hequestions the validity of his argument that bodies of greater size andbrightness should not serve the smaller, though not bright, and thatheaven should move, while the Earth remained at rest...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...But in the proof of this greattheorem two influences were neglected, either of which isfatal to its validity...
George C. Comstock 「A Text-Book of Astronomy」
...So long as the manner in which the planets came into beingcontinues an open question, conclusions about their timeof birth must remain of doubtful validity...
George C. Comstock 「A Text-Book of Astronomy」
...He hadnot mentioned the affair of 1616 because he thought that order did notapply to this book in which he proved the lack of validity and ofconclusiveness of the Copernican arguments...
Dorothy Stimson 「The gradual acceptance of the Copernican theory of the universe」
...The nature and validity ofthe conclusions to be drawn can be best appreciated by a statement ofsome features of this tendency of the stars to crowd towards thegalactic circle...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
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