Included are letters by Robert Adam, Hugh Blair, William Cowper, Richard Cumberland, David Garrick, George Lyttelton, Conyers Middleton, Sir Walter Scott, Richard B. Sheridan, Voltaire, William Wilberforce, and Edward Young. In addition, there are twenty letters by Montagu to various members of her circle and four letters to her from Frances Reynolds.

Contains Landor’s thoughts and opionions on various aspects of life and literature. There are comments on old age, on Napoleon, and on a host of writers and poets including Shakespeare, Milton, Tennyson, Pope, Byron, Wordsworth, Gibbon, Sterne, Coleridge, Otway, and Voltaire. There are also passages on Elizabethan poets, and on the progress of poetry in general, with a tribute to Sir Walter Scott.

The quotations included in the commonplace book come from: William Shakespeare, Walter Scott, William Robert Spencer, Charles Sedley, Byron, John Abercrombie, Washington Irving, Voltaire, Thomas Campbell, Thomas Moore, Antoine-Vincent Arnault, Mrs. Cornwell Baron Wilson, and W.S. Walker. There are seven watercolors, an aquatint, and pencil drawings, some enclosed in gold frames made from embossed paper. Two of the watercolors, portraits of a girl and a boy, are signed R.H. Johnson and dated November 1822.