...Repose was now indispensable after the recent sufferings...
George Grote 「The Two Great Retreats of History」
... “Well, you can do so, if you think it indispensable...
Alexandre Dumas, Pere 「The Man in the Iron Mask」
...The neck supports many strings of beads, long and short, with the indispensable talismans...
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 1」
...The Kroomen are indispensable in carrying on the commerce and maritime business of the African coast...
Horatio Bridge 「Journal of an African Cruiser」
... Bleeding and a dose of calomel were always considered indispensable by the “old boss,” and as a matter of course, Sam followed in his footsteps...
William Wells Brown 「Clotelle」
...Tentative experiments onthe rich, broad fields of the Southern United States, together withthe indispensable invention of Whitney's cotton gin, soon answeredthis question...
Booker T. Washington 「The Negro in the South」
...Warm settled weather,however, is indispensable to washing with safety to thegeneral health of the sheep...
Richard L. Allen 「Domestic Animals」
...In breeds thus formed by complex crosses, the most careful and unremitting selection during many generations has been found to be indispensable...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Spooner's paper—will dispute; but to produce uniformity, in a crossed breed, careful selection and "rigorous weeding," as this author expresses it, are indispensable...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
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