...After laboring there three or four years, in building stone dikes and dams for the Dutch farmers, they were well content if at the end of that time they could return with as many cows... 
David Livingstone 「Missionary Travels and Researches in South Africa」
...I was laboring under fever, and did not find it very difficult to exercise patience with her whims; but it being Saturday, I thought we might as well go to the town for Sunday (15th)...
David Livingstone 「Missionary Travels and Researches in South Africa」
...I was again most kindly welcomed by my friend, Captain Neves, whom I found laboring under a violent inflammation and abscess of the hand...
David Livingstone 「Missionary Travels and Researches in South Africa」
...In this connection it may not be improper to state that simultaneously with his labors in the Anti-slavery cause, he was also laboring with zeal in the cause of Temperance...
William Still 「The Underground Railroad」
...The impression is cunningly made, that slavery is the only power that can prevent the laboring white man from falling to the level of the slave’s poverty and degradation...
Frederick Douglass 「My Bondage and My Freedom」
...The good Scotchman, for whom the fugitive was laboring, freely offered to go down and purchase the girl, if she could be bought, and let Jerome pay him in work...
William Wells Brown 「Clotelle」
..." Laboring under this delusion, Ben was month...
Charles Thompson 「Biography of a Slave」
... have they lost in laboring for you what you have gained in not laboring for them? ...
P. J. Proudhon 「What is Property?」
...So, also, one foot may becured, while every other one is laboring under the malady...
Robert Jennings 「Sheep, Swine, and Poultry」
...The sheep laboring under the scab is exceedingly restless...
Robert Jennings 「Sheep, Swine, and Poultry」
...Justin, the apologistand martyr, laboring under the delusion that Semo Sancusand Simon the Magician were the same, describes the altaron the island of S...
Rodolfo Lanciani 「Pagan and Christian Rome」
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