Publishers
- N. Boubee 1
- N.A.G. Press Ltd. 1
- N.R. Omell Gallery 1
- N.T. Leslie 1
- Nadas 1
- Nai Publishers 2
- Nand Kishore & Bros 1
- National Academy Of Sciences 1
- National Academy Press 2
- National Army Museum 2
- National Art Collections Fund 1
- National Botanic Gardens 1
- National Galleries Of Scotland 1
- National Gallery 4
- National Gallery Company Limited 2
- National Gallery Of Victoria 2
- National Gallery Publications Limited 3
- National Geographic Society 10
- National Geographical Society Of India 1
- National Institute Of Environmental Health Sciences 1
- National Library Of Australia 1
- National Maritime Museum 1
- National Museum Of Canada 1
- National Museum of Wales 13
- National Museums & Galleries Of Wales 1
- National Organizing Committee 1
- National Portrait Gallery 2
- National Radiological Protection Board 1
- National Society's Depository 8
- Natraj Publishers 2
- Natural History Museum 2
- Natural History Publications (borneo) 1
- Nature Conservancy Council 1
- Nautical & Aviation Publishing Company Of America 1
- Nautical Publishing Company 2
- Naval Historical Center 1
- Naval Institute Press 29
- Navigator Publishing Ltd. 1
- Nea W. Ensor 1
- Nebulous Books 1
- Negretti & Zambra 1
- Nelson 11
- Nelson & Phillips 1
- Nelson & Sons 1
- Nelson And Saunders 1
- Nelson Doubleday Inc. 1
- Nemo Productions 1
- Nestle And Anglo-Swiss Condensed Milk Co. 1
- Network Books 1
- New American Library 2
- New Burlington Books 1
- New Cavendish Books 8
- New English Library 2
- New Enterprise Publications 1
- New Era Publications 4
- New Forest Leaves 1
- New Holland 15
- New Holland Publishers (uk) Ltd 1
- New York Graphic Society Publishers 1
- New York University Press 2
- Newman Press 1
- Newman Wolsey Limited 1
- Newnes 18
- Newnes Educational Publishing Co. Ltd. 1
- Newport & Monmouthshire Historical Association 3
- Newport Corporation 3
- Newport County Borough Council 1
- Newport Public Libraries Committee 1
- News Chronicle 11
- News Chronicle Ltd. 3
- News Chronicle Publications 5
- News of the World 2
- Newton 3
- Nicholas Kaye 3
- Nichols And Sons 2
- Nicholson 1
- Nicholson & Watson 6
- Nickerson & Collins 1
- Nicola Zanichelli 1
- Nicosia 1
- Nidd Valley Narrow Gauge Railways Ltd. 1
- Nihon Keizei Shimbun 1
- Nisbet & Co. Ltd. 21
- Nister 1
- NISTER & CO. 1
- Nister & Co. Ltd. 3
- Niton Publishing 3
- NO NAME 1
- Noel Carrington 4
- Noel Douglas 1
- Noodle Books 1
- Norman Adlard & Co. Ltd. 1
- Norman Wright 5
- North Holland Publishing Company 3
- North Kent Books 1
- North Of Scotland Newspapers 1
- North South Books 5
- North-East Scotland Bird Club 1
- North-Holland Publishing Company 6
- North-South Books 1