1915, Sir Lewis Anselm da Costa Ritchie, A Tall Ship:
"You gotter go," said she.
1913, William Banks, William Adolphus Turnpike:
My Pa says it's mostly guff, but the pollertishans has gotter feed the people with that kinder guff ev'ry once in a while, he says, they get fat on it, he says.
1911, Charles Egbert Craddock (AKA Mary Noailles Murfree), The Raid Of The Guerilla:
"If you folks in the coves want the immunity of non-combatants, by Gawd! you gotter preserve the neutrality of non-combatants!"
1916, Various, Punch, or the London Charivari, Vol. 150, March 29, 1916:
See here, gal, you just gotter marry me.
1902, John Kendrick Bangs, Olympian Nights:
"We gotter go right by de doh ob Dr. Skilapius."
1894, Various, McClure's Magazine, Vol. 31, No. 1, May 1908:
Excuse me," he murmured absently; "I gotter see a feller——" "G'wan down the road!"
1892, Sophie Fox Sea, That Old-Time Child, Roberta:
But we've gotter die fo' long, honey, en be put erway in the cold groun' fur the wurms ter make meals of; sum of us cheaten' the grave rite now.