...Around abend, the source of the greenish light was apparent... 
Various 「Astounding Stories, August, 1931」
...And the fourth thing is, that I have ascertained the source of the river Guadiana, heretofore unknown to mankind...
Miguel de Cervantes 「The History of Don Quixote, Volume II., Complete」
...This is the principal biography of Becquerand the source of all the others...
Gustavo Adolfo Becquer 「Legends, Tales and Poems」
...Small wonder, therefore, that the romantic and mysterious personality of theScarlet Pimpernel was a source of bitter hatred to Chauvelin...
Baroness Orczy 「The Scarlet Pimpernel」
...Neither Aline nor any of hers have been concerned in counter-revolutionary work, which is the true source of the calamity that now threatens to overtake us...
Rafael Sabatini 「Scaramouche」
...But, at least, she realized that even if Andre-Louis’ rancour should have no other source, yet that inconclusive duel was cause enough for Aline’s fears...
Rafael Sabatini 「Scaramouche」
...Fouquet so eager to seek the source of a favor so very recent,” and then added aloud, “Your friendship, monsieur! you offer me your friendship...
Alexandre Dumas, Pere 「Ten Years Later」
... “You will take whatever steps in the matter you please, Monsieur Raoul, only do not betray the source whence you derived the truth...
Alexandre Dumas, Pere 「Louise de la Valliere」
... More than once before had glitteringgold filtered through his fingers from a similar source...
Edgar Rice Burroughs 「The Son of Tarzan」
...He realized more keen enjoyment through annoying and terrifying themthan from any other source of amusement the grim jungle offered...
Edgar Rice Burroughs 「Tarzan the Untamed」
...Still the atrocious traffic subsists,and many persons flourish on the gains they havederived from that polluted source...
W. E. B. Du Bois 「The Suppression of the African Slave Trade to the United States of America」
... The Teoughe and Tamunak'le, being essentially the same river, and receiving their supplies from the same source (the Embarrah or Varra), can never outrun each other...
David Livingstone 「Missionary Travels and Researches in South Africa」
... But I was then ignorant of the fact that the Coanza rises considerably to the west of this, and has a comparatively short course from its source to the sea...
David Livingstone 「Missionary Travels and Researches in South Africa」
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