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Observations Sur L'Architecture (1765) (French Edition)

Observations Relative To The Use Of Belladonna, In Painful Disorders Of The Head And Face (1818)

Observations On The Visiting, Superintendence, And Government Of Female Prisoners (1827)

Observations On The Theological Mystery, The Harmonial Philosophy, And Spirit Rappings: With An Appendix Concerning Freemasonry (1851)

Observations On The Subjects Treated Of In Dr. Smith's Inquiry Into The Nature And Causes Of The Wealth Of Nations (1814)

Observations On The Past And Present Condition Of The Education Of The Poor In Ireland: With Remarks On The Lord Primate And Bishop's Address (1845)

Observations On The Idiom Of The Hebrew Language: Respecting The Powers Peculiar To The Different Tenses Of Verbs (1821)

Observations On The Functions Of The Liver: More Especially With Reference To The Formation Of The Material (1865)