... From United States census reports... 
W. E. B. Du Bois 「The Suppression of the African Slave Trade to the United States of America」
...United States census reports; and Olmsted, The Cotton Kingdom...
W. E. B. Du Bois 「The Suppression of the African Slave Trade to the United States of America」
...This the census proves, all statements to thecontrary notwithstanding...
Booker T. Washington, et al. 「The Negro Problem」
...The figures given by the census are as follows:1850, mulattoes formed 11...
W.E.B. Du Bois 「The Negro」
...Lee took the census of thetribe, and it numbered two hundred and fifty-three; in 1906, ProfessorMarvin found them to have dwindled to two hundred and seven...
Matthew A. Henson 「A Negro Explorer at the North Pole」
... "Here are census figures," he said, "commercial reports and letters...
W. E. B. Du Bois 「The Quest of the Silver Fleece」
..."Isn't the census building wretched?" ...
W. E. B. Du Bois 「The Quest of the Silver Fleece」
...The next census will probably show that we haveabout ten millions of Negroes in the United States...
Booker T. Washington 「The Future of the American Negro」
...The handwriting is onthe wall in the shape of the present census report...
Various 「Mother Earth, Vol. 1 No. 3, May 1906」
...The official census gives their number at 550in 1912...
Ernest Thompson Seton 「Wild Animals at Home」
...According to the1920 census there were 2,817,624 ducks in the UnitedStates with a valuation of $3,373,966...
Harry M. Lamon 「Ducks and Geese」
...Table 2 presents results of a strip census of birds along the strand,made by three of us from the moving truck on the morning of July10...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...By the census of 1860, there were upward ofthirty-two and a half millions of these animals in the United States...
Robert Jennings 「Sheep, Swine, and Poultry」
...They would not letme take the census...
John Charles Beecham 「The Argus Pheasant」
...Lack of exactcorrespondence in the area represented by successive samples wouldresult in a disproportionally small number of recaptures, and anerroneously high census computation...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...Therefore a census of the adult kangaroo rat populationcan readily be made, simply by counting the mounds...
Charles T. Vorhies and Walter P. Taylor 「Life History of the Kangaroo Rat」
...From April 6 to May 28, 1957, a creel census was taken below Turtle CreekDam...
W. L. Minckley 「Fishes of the Big Blue River Basin, Kansas」
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