Peale, C. W. (1803). An epistle to a friend, on the means of preserving health, promoting happiness, and prolonging the life of man to its natural period: Being a summary view of inconsiderate and useless habits that derange the system of nature : thereby causing premature old age and death : with some thoughts on the best means of preventing and overcoming disease. Philadelphia: From the press of the late R. Aitken, No. 20, North Third Street, by Jane Aitken.

Peale, Charles Willson. An Epistle to a Friend, On the Means of Preserving Health, Promoting Happiness, and Prolonging the Life of Man to Its Natural Period: Being a Summary View of Inconsiderate and Useless Habits That Derange the System of Nature : Thereby Causing Premature Old Age and Death : With Some Thoughts On the Best Means of Preventing and Overcoming Disease. Philadelphia: From the press of the late R. Aitken, No. 20, North Third Street, by Jane Aitken, 1803.

Peale, Charles Willson. An Epistle to a Friend, On the Means of Preserving Health, Promoting Happiness, and Prolonging the Life of Man to Its Natural Period: Being a Summary View of Inconsiderate and Useless Habits That Derange the System of Nature : Thereby Causing Premature Old Age and Death : With Some Thoughts On the Best Means of Preventing and Overcoming Disease. Philadelphia: From the press of the late R. Aitken, No. 20, North Third Street, by Jane Aitken, 1803.