21. IOR/V/18/20 Reference (shelfmark): IOR/V/18/20 Title: Indian Meteorological Memoirs, 1913-21. Vol 22 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1913-1921 Extent: 1 volume
22. IOR/V/18/21 Reference (shelfmark): IOR/V/18/21 Title: Indian Meteorological Memoirs, 1921-24. Vol 23 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1921-1924 Extent: 1 volume
23. IOR/V/18/22 Reference (shelfmark): IOR/V/18/22 Title: Indian Meteorological Memoirs, 1922-1933. Vols 24-25 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1922-1933 Extent: 1 volume
24. IOR/V/18/23 Reference (shelfmark): IOR/V/18/23 Title: Indian Meteorological Memoirs, 1933-1939. Vols 26-30 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1933-1955 Extent: 1 volume