... He was too old and infirm probably to be worth anything, and had been allowed to go free, or to purchase himself for a mere nominal sum... 
William Still 「The Underground Railroad」
...His master being old and infirm, wore ribbedstockings for warmth...
Edward Jesse 「Anecdotes of Dogs」
...The day before hedied, though old and infirm, he made around on his own account and visited oneor two to whom he had certainly behavedbadly...
Major Gambier-Parry 「'Murphy'」
...The two middle pairsof feathers are the only ones capable of doingmuch work and they are wavering and infirm atthe tips where we should expect them to bestrongest...
Fannie Hardy Eckstorm 「The Woodpeckers」
...And yet her eyes and olfactory organs are like the eyes and organs of the infirm, compared with those of the male...
Maurice Maeterlinck 「The Life of the Bee」
...The feeble, infirm, the aged, unwelcome, ill-fed, who have flown from inactive or impoverished cities, these renounce the pursuit and disappear in the void...
Maurice Maeterlinck 「The Life of the Bee」
..."Christ the Saviourof our souls made him infirm and an invalid, so that, abandoningany further hope of worldly success, he enteredthis monastery, and spent his last years in prayer andretirement...
Rodolfo Lanciani 「Pagan and Christian Rome」
...Ashton was called to parliament at Westminster, but being too infirm to attend, he deputed William Tresham, (probably one of his monks) to appear for him...
George S. Phillips 「The New Guide to Peterborough Cathedral」
...Hedid not, however, obtain the reputation and success that he deserved, inconsequence of his infirm health and his extreme modesty...
Luigi Antonio Lanzi Thomas Roscoe 「The History of Painting in Italy, Vol. 2 (of 6)」
...The convicts in this ship, on their landing, appeared to be aged and infirm, the state in which they were said to have been embarked...
David Collins 「An Account of the English Colony in New South Wales, Vol. 1」
...The infirm old man was instantly summoned to Rome...
Oliver Lodge 「Pioneers of Science」
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