Chemisch-technologischer Robinson

A Letter To The Followers Of Elias Hicks: In The City Of Baltimore And Its Vicinity (1840)

A Letter To The Electors, Upon The Catholic Question (1826)

A Letter To His Grace The Duke Of Wellington In Answer To Lord Grenville's Essay On The Supposed Advantages Of The Sinking Fund (1828)

A Letter To Sir Samuel Romilly, From Henry Brougham, Upon The Abuse Of Charities (1818)

A Letter To Sir James Davidson Gordon (1882)

A Letter To M. Jean-Baptiste Say: On The Comparative Expense Of Free And Slave Labor (1823)

A Letter To The Earl Of Ellesmere: On The Subject Of A New Alphabetical Catalogue Of The Printed Books In The British Museum (1849)

A Letter To His Grace The Duke Of Northumberland On The Ancient Northumbrian Music: Its Collection And Preservation (1857)