1742, Roger North, The Life of the Honourable Sir Dudley North, London: John Whiston, p. 182,
[…] if a Man has several Manageries upon his Hands, and the Books and Papers of them lie together, Confusion is apt to grow, not only among them but, in his Head […]
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for managery inWebster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)