1. IOR/L/PS/20/MEMO32/31 Reference (shelfmark): IOR/L/PS/20/MEMO32/31 Title: An historical sketch of the alliances subsisting between Great Britain and Portugal, from the earliest period to the present time L Hertslet, 10 Apr 1873 Foreign Office, May 1873 Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1873 Extent: 21pp