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His book collecting started in 1929 buying books from various Private presses, eventually gaining complete collections of books from the Kelmscott, Ashendene and Gwasg Gregynog presses. He also became interested in modern bindings, and in 1931 commissioned examples from Sybil Pye and, from R. de Coverley & Sons, a copy of Siegfried Sassoon's Memoirs of an Infantry Officer decorated with John Roland Abbey 's coat of arms. He also collected antiquarian books, starting from the sale of Primrose's collection and building it up from 1936 to 1938 thanks to sales from the Mensing, Moss, Aldenham, Schiff, and Cortlandt F. Bishop collections, eventually holding over 1,300 books. He died on 24 December 1969 in London , and, with the exception of manuscripts given to his family and a group of books donated to the Eton College Collections, his remaining texts were sold for 993,509 between 1970 and 1975.
 John Roland Abbey, London
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 John Roland Abbey, London