38.Lusk WT (1882) The Science and Art of Midwifery. New York: D
Appleton and Company, pp214-215
39.Leishman W (1888) A System of Midwifery Glasgow James MacLehose &
Sons.
40.Corney, BG (1899) Instructions with reference to the treatment of the umbilical
cord.
41.King AFA (1907) A Manual of Obstetrics, Tenth Edition. Lea Brothers & Co., Philadelphia and New York
42.Jellett, H (1910) A Manual of Midwifery for Students and Practitioners. New York: William Wood & Company MDCCCCX
43.Williams JW (1917) Obstetrics: A Text-Book for the Use of Students and
Practitioners, Fourth Edition.
44.von Reuss, AR (1921) The Diseases of the Newborn. New York William Wood & Co, MCMXXI (Vienna, January
1914)
45.DeLee JB (1930) The Principles and Practice of Obstetrics. Philadelphia and London: WB Saunders Company.
46.Curtis AH, ed (1933) Obstetrics and Gynecology (3 vols). Philadelphia & London: WB Saunders Company.
47. Fitzgibbon,
G (1937) Obstetrics. Browne and Nolan Limited, Dublin/Belfast/Cork/Waterford, 1937.
•
48.Johnstone RW (1949) A Text-Book of Midwifery, for Students and Practitioners,
Fourteenth Edition. London: Adam and Charles Black.
49.Greenhill JP (1951) Principles
and Practice of Obstetrics; originally by Joseph B. DeLee, M.D., Tenth Edition. W.B. Saunders Company, Philadelphia and London.
50.Greenhill, JP (1955) Obstetrics
Eleventh Edition WB Saunders Company, Philadelphia and London.
51.Greenhill JP (1965) Obstetrics:
From the original text of Joseph B. DeLee, MD. Thirteenth Edition. W.B. Saunders Company,
Philadelphia & London.
52.Garrey MM, Govan ADT, Hodge C,
Callander R (1974) Obstetrics Illusrated, Second Edition, Churchill Livingstgone: Edinburgh
and London.
53.Bodyazhina V (1983) Textbook of
Obstetrics: Translated from the Russian by Alexander Rosinkin (revised from the 1980 edition).
Mir Publishers, Moscow.
54.Beischer, NA, MacKay EV (1986)
Obstetrics and the Newborn: An illustrated textbook, Second Edition. WB Saunders Company, Sydney, Philadelphia, London, Toronto,
Tokyo, Hong Kong, 1986.
•