Mountains of the Moon: an expedition to the Equatorial Mountains of Africa. Drummond/Travel Book Club; Patrick M. Synge (1938)[5]
Great Flower Books, 1700-1900: a bibliographical record of two centuries of finely-illustrated flower books. London: Collins (1956), Sacheverell Sitwell & Wilfrid Blunt; bibliography by Patrick M. Synge
Collins Guide to Bulbs. London: Collins. Patrick Millington Synge (1961) OL20906759M
Dictionary of Roses in Colour. London: Michael Joseph & Ebury Press, S. Millar Gault, Patrick M. Synge (1971) ISBN0718109112
In Search of Flowers. London: Michael Joseph, Patrick Millington Synge (1973)[6]
Flowers and Colour in Winter. London: Michael Joseph, Patrick M. Synge (1974)
The Dictionary of Garden Plants in Colour. London: Michael Joseph, Patrick Millington Synge, Roy Hay (1976) ISBN0198691165abstract
The Gardens of Britain; Vol. 1: Devon and Cornwall. London: B. T. Batsford in assoc. with Royal Horticultural Society. Patrick M. Synge (1977) ISBN0-7134-0927-4
Lilies: a revision of Elwes' Monograph of the Genus Lilium and its supplements. London: B. T. Batsford. Patrick M. Synge (1980) ISBN9780713403930