See quotations. A correspondent of Notes and Queries, 7 S. v. 108, pointed out that similar elisions of the word to occur in the old dramatists: You ought not walk. Jul. Cæsar, I. i. 3. Suffer him speak no more. Sejanus, iii. 1. And in 9 S. vi. 30 Prof. Skeat cites, among other instances, to help unarm our Hector. Troilus and Cr., iii. 1: adding, that in Old English the infinitive was never preceded by the word to.
1794. I help maintain [our parson] as cheerfully as any man in the town.Mass. Spy, March 6.
1829. In the afternoon he helped bore logs.Id., Oct. 7.
1838. I helped throw up that fortification.The Jeffersonian, Aug. 25: from The Boston Evening Post.
1888. We refuse to chip in for a church, but will contribute $10. to help get Lampas Jake, the revivalist, down here.Detroit Free Press, Oct. (Farmer).