A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9 Other
O 6″ Ordnance Survey Maps, Early Ordnance Survey Maps, where date stated. source 242
O First edition Ordnance Survey 1″ maps. source 1132
O Ordnance Survey Map of Essex, 1805. source 189
O Philip Overton's Map of Sussex, 1740. source 9
O and M A large and accurate Map of the City of London. By John Ogilby: His Majesties Cosmographer; London Survey'd: or, an Explanation of the large Map of London, by John Ogilby and William Morgan, His Majesty's Cosmographers, 1677 (reproduced by the London and Middlesex Archaeological Society, 1894, 1895). source 18
O&N; The Owl and the Nightingale, ed. E. G. Stanley, London 1960. source 2
O.S. (Maps and publications of the) Ordnance Survey. series 1802
O.S. 1″ Ordnance Survey Maps, c. 1805-45. source 83
Oath Oath Book of Colchester, ed. Benham, 1907. source 56
OB H. Owen and J. B. Blakeway, History of Shrewsbury, 1825. source 2
ObAcc Accounts of the Obedientiars of Abingdon Abbey, ed. R. E. G. Kirk (Camden Society), 1892. source 87
Obit Obit-book of the Vicars Choral, Exeter. source 5
OblK Obligatory Knighthood, t. Charles I 1630-32, ed. by H. S. Grazebrook, Collections for a History of Staffordshire II, 1881. source 1
OblR Rotuli de oblatis et finibus, ed. T. D. Hardy (Record Commission), London 1835. source 258
OE Bede The Old English Version of Bede's Ecclesiastical History (Early English Text Society 95-6, 110-11), 1890-8. source 64
OED The Oxford English Dictionary, 2nd edn, Oxford 1991 source 1
OEMisc An Old English Miscellany (Early English Text Society 49), 1872. source 6
Ogborne Ogborne, History of Essex, 1814. source 1
Ogilby John Ogilby, Itinerarium Angliae, 1698. source 65
Ogilby John Ogilby, Itinerarium Angliae (Britannia…an Illustration of the Kingdom of England and Dominion of Wales, a Geographical and Historical Description of the Principal Roads thereof), London 1675. source 637