1. CA 4 Reference (shelfmark): CA 4 Title: Plate Issue Books Collection Area: Philatelic Collections Languages: English Date Range: 1923-1959 Extent: 2 volume
2. 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
3. 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