The Art of Preserving Health - A Poem in Four Books: Poetic Guidance for Optimal Well-being: A Literary Exploration of 18th Century HealthcareJohn Armstrong
The Life and Letters of the Rev. George Mortimer, M.A: Rector of Thornhill, in the Diocese of Toronto, Canada WestJohn Armstrong
The art of preserving health: A poem: Poetic wisdom for a healthy life: A timeless guide to well-beingJohn Armstrong
The Life and Letters of the Rev. George Mortimer, M.A: Rector of Thornhill, in the Diocese of Toronto, Canada WestJohn Armstrong