| 1721-1741: Lakeville Drawing Book, 1901/1902: Graphite on paper. (17,8 x 23,5 cm) eller (23,5 x 17,8 cm). |
1742-1781: Sketchbook, 1905/1906: Graphite / watercolor on paper. (11,1 x 15,9 cm) eller (15,9 x 11,1 cm). |
| 1782-1792: Scrapbook, 1912-1914: Watercolor or graphite on paper. Forskellige størrelser. |
1793-1806: Adrienne Brugger sketchbook, 1917-18. Graphite / Watercolor on paper. (28,9 x 19,4 cm), uneven sheet (unless otherwise stated). |
| 1807-1848: Schneider sketchbook, 1929/1930s (unless otherwise stated): Graphite on paper. (20 x 12,7 cm) or (12,7 x 20 cm), sheet (orientations vary). |
1849-1858: Beverly Spiral sketchbook, 1929/1930 (unless otherwise stated): Graphite on paper. (12,4 x 9,8 cm) or (9,8 x 12,4 cm), sheet, (orientations vary). |
| 1859-1891: Pelican V sketchbook, 1929/1930s: Graphite on paper. (11,7 x 17,8 cm) or (17,8 x 11,7 cm), sheet, (orientations vary). |
1892-1901: Pelican I sketchbook, Graphite on paper. (11,7 x 17,8 cm) or (17,8 x 11,7 cm), sheet, (orientations vary). |
| 1902-1909: Pelican IV sketchbook, 1930s: Graphite on paper. (11,7 x 17,8 cm), sheet. |
1910-1940: Winsor & Newton sketchbook, Graphite (unless otherwise stated) on paper. (10,8 x 18,4 cm) or (18,4 x 10,8), sheet, (orientations vary). |
| 1941-1959: Brown sketchbook, Graphite on paper. (10,2 x 16,5 cm) or (16,5 x 10,2 cm), sheet, (orientations vary). |
1960-1964: Pelican III sketchbook, Graphite on paper. (17,8 x 11,7 cm) or (11,7 x 17,8 cm), sheet, (orientations vary). |
| 1965-1986: Pelican VI sketchbook, Various media on paper. (11,7 x 17,8 cm) or (11,7 x 17,8 cm), sheet, (orientations vary). |
1987-2000: Grey Spiral notebook, Graphite (unless otherwise stated) on paper. (45,7 x 30,5 cm) or (30,5 x 45,7 cm), sheet, (orientations vary). |
| 2001-2015: Sketchbook, 1960s: Graphite on paper. (30,2 x 22,9 cm) or (22,9 x 30,2 cm), sheet, (orientations vary). |
2016-2020: Pelican II sketchbook, 1959/1960s: Graphite on paper. (17,8 x 11,7 cm), sheet. |
| 2021-2029: Sketchbook, Graphite on paper. (30,5 x 22,9 cm) or (22,9 x 30,5 cm), sheet, (orientations vary). |
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