46 Ordnance Survey Sheet 177 East London (revised to 1973). (Scale 1:50,000).
47 PARKER, E. J. (1974) Beech Bark Disease. Forestry Commission, Forest Record 96.
48 PARMENTER, L. (1950) The Diptera of Bookham Common, London Nat. 29: 98-133.
49 PARMENTER, L. (1960) A Further List of the Diptera of Bookham Common. London Nat. 39: 66-76
50 PARMENTER, L. (1966) Some Additions to the List of Flies of Bookham Common. London Nat. 45: 56-59.
51 PAULSON, R. (1900) An Inquiry into the causes of the Death of Birch Trees in Epping Forest and
Elsewhere. Essex Nat. 11: 273-284
52 PAYNE, R, M. (1968) The Crane-flies (Diptera: Tipulidae) of Epping Forest Ent. Gaz. 19:33-43.
53 PEGLER, D. N. (1967) Polyporaceae — Part II with a key to World Genera. Bull. Brit. mycol. Soc. 1: 17-
38.
54 PERCEVAL, P. J. S. (1909) London's Forest. Dent.
55 PETTIFER, A.J. (1968) A Bryophyte Flora of Essex. Essex Nat. 32: 102.
56 PILAT, A. & USAK, O. (1958) Mushrooms.
57 RACKHAM, O. (1975) Hayley Wood: its History and Ecology. Cambs. and Isle of Ely Naturalists Trust
Ltd., Cambridge.
58 RACKHAM, O.(1976) Trees and Woodland in the British Landscape. Dent.
59 RACKHAM, O. (1980) Ancient Woodland, its history, vegetation and uses in England. Arnold.
60 RAMSEY, A. R. J. (1953) Monkhams. Woodford and District Historical Society 11:1-12.
61 Royal Institute of British Architects (West Essex Branch (1974) Buckhurst Hill A Planning Study.
62 SHENSTONE, J. C. (1894) The Oak Tree in Essex. Essex Nat. 8: 98
63 STEELE, R. C. & WELCH, R. C. (1973) Monks Wood. A Nature Reserve Record. Nature Conservancy,
Natural Environment Research Council.
64 STUBBS, A. E. & CHANDLER. P. J. (Eds.)(1978) A Dipterists Handbook. Amateur Entomologists
Society.
65 THOMPSON, P. (1921) On An Annotated Copy of Richard Warners Plantae Woodfordienses. Essex Nat.
19:81.
66 THOMPSON. P (1921) On Another Annotated Copy of Warners 'Plantae Woodfordienses'. Essex Nat. 19:
234
67 THOMPSON, P. (1927) Gnorimus nobilis L. in Epping Forest. Essex Nat. 21: 242.
68 Tithe Award for Chigwell Manor 1838 (Loughton Library).
69 VERE, D. W. (1946) Hornets of Epping Forest London Nat. 26:99
70 Victoria County History of Essex Vol. 2 Industries: 448.
71 Victoria County Histon of Essex Vol, 4 Ongar Hundred. Chigwell: 18-43.
72 WALLER, W. C. (1905) The Foresters Walks in Waltham Forest. Essex Review 14: 193-203.
73 WARD, B. (1979) The Retreats of Epping Forest. Conservators of Epping Forest.
74 WARNER, R. (77l)Plantae Woodfordienses. London.
75 WATLING, R. (1970) The British Fungus Flora Vol. 1 Boletaceae. H.M.S.O. (Edinburgh).
69