- Memoirs (1828) for the edition of Samuel Parr's works in eight volume
- "An Essay on Mineral Poisons", in Medical Essays and Observations, by James Johnstone, senior, his father, Evesham, 1795
- On Madness, with Strictures on Hereditary Insanity, Lucid Intervals, and the Confinement of Maniacs, Birmingham, 1800
- An Account of the Discovery of the Power of Mineral Acid Vapours to Destroy Contagion, London, 1803
- this provoked James Carmichael Smyth's Letter to William Wilberforce of 1805
- Harveian Oration (1819)
- A Reply to Dr. James Carmichael Smyth, containing remarks on his "Letter to Mr. Wilberforce", London, 1805
- Presidential Address at the Second Anniversary of the Provincial Medical and Surgical Association at Birmingham, 1834
- Address at the Birmingham School of Medicine on 6 Oct. 1834
- These two last were published with the Harveian Oration.
Works about JohnstoneEdit
- "Johnstone, John," in Alumni Oxonienses: the Members of the University of Oxford, 1715-1886, by Joseph Foster, London: Parker and Co. (1888–1892) in 4 vols.
- "Johnstone, John (1768-1836)," in Dictionary of National Biography, 1885-1900, London: Smith, Elder, & Co. (1885–1900) in 63 vols.
Some or all works by this author were published before January 1, 1928, and are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.