21. CA 3/2 Reference (shelfmark): CA 3/2 Title: Registers of Dies and Plates Collection Area: Philatelic Collections Languages: English Date Range: 1904-1960 Extent: 1 volume
22. CA 3/3 Reference (shelfmark): CA 3/3 Title: Registers of Dies and Plates (Thomas De La Rue) Collection Area: Philatelic Collections Languages: English Date Range: 1927-1968 Extent: 1 volume
23. CA 3/4 Reference (shelfmark): CA 3/4 Title: Registers of Dies and Plates (Bradbury Wilkinson) Collection Area: Philatelic Collections Languages: English Date Range: 1937-1968 Extent: 1 volume
24. CA 3/5 Reference (shelfmark): CA 3/5 Title: Registers of Dies and Plates (Harrison & Sons) Collection Area: Philatelic Collections Languages: English Date Range: 1953-1969 Extent: 1 volume
25. CA 4 Reference (shelfmark): CA 4 Title: Plate Issue Books Collection Area: Philatelic Collections Languages: English Date Range: 1923-1959 Extent: 2 volume
26. CA 4/1 Reference (shelfmark): CA 4/1 Title: Plate Issue Books Collection Area: Philatelic Collections Languages: English Date Range: 1923-1929 Extent: 1 volume
27. CA 4/2 Reference (shelfmark): CA 4/2 Title: Plate Issue Books Collection Area: Philatelic Collections Languages: English Date Range: 1930-1958 Extent: 1 volume
28. CA 5 Reference (shelfmark): CA 5 Title: Paper Issue Books Collection Area: Philatelic Collections Languages: English Date Range: 1940-1968 Extent: 5 volumes
29. CA 5/1 Reference (shelfmark): CA 5/1 Title: Paper Issue Books Collection Area: Philatelic Collections Languages: English Date Range: 1940-1950 Extent: 1 volume
30. CA 5/2 Reference (shelfmark): CA 5/2 Title: Paper Issue Books Collection Area: Philatelic Collections Languages: English Date Range: 1949-1955 Extent: 1 volume