The phrase "a tract on" is correct and usable in written English.
It is typically used to refer to a written work or pamphlet that discusses a specific topic or issue in detail.
Example: "The organization published a tract on environmental conservation to raise awareness about climate change."
Alternatives: "a pamphlet about" or "a document on".
"The government has squeezed the kingdom too far," says one, waving a tract on Baganda land rights.
He cited one of Keynes's earlier books, "A Tract on Monetary Reform," in which he put much more emphasis on money and interest rates.
The temptation for anyone writing about "Regrets Only," which doubles as a comedy of Park Avenue manners and (far less persuasively) a tract on gay marriage, is to quote as many of those one-liners as space allows and then to try to describe just how Ms. Baranski delivers them.
The poems that resonate most are the ones that measure the passage of years, from Kumin's affection for the "darling nuns" who schooled her (she recalls a tract on menstruation "so vague it led me to believe you bled / that one year only") through her time as a young wife and mother to her present status as much-published poet and recipient of countless honors, including a Pulitzer in 1973.
"A Tract on Monetary Reform".
He also wrote a tract on sacramental theology, Misron ("Anointing").
A single A-T hook in a polypeptide or a single A-T tract on the target DNA results in reduced interaction [ 28].
I spent the bulk of my youth — 1952 though 1964 — living in a tract home on Fairway Drive on Costa Mesa's Eastside.
Two years ago Jim and Laura Plant moved their children Conner, now 7, and Delaney, 4, from a tract home on a cramped lot in Silicon Valley to a 5,000-square-foot 5,000-square-foot 5,000-square-foot
But, he said, they also worried that a tract home on a large piece of land might prove too isolating for their family.
Paine later wrote a tract, Dissertations On Government; The Affairs of the Bank; and Paper Money in 1786.
