a. Fukui, N. (1923). Action of Body Temperature on the Testicle, The Japan Medical World, No. 3, pp. 160 – 163.

b. Fukui, N. (1923). On a Hitherto Unknown Action of Heat Ray on Testicles, The Japan Medical World, No. 3, pp. 27 – 30.

c. Fukul, Nobutatsu (1923), On the Action of Heat Rays Upon the Testicle: An Histological, Hygienic and Endro-crinological Study, (book title not given),pp. 235 – 162.

d. Macleod, John & Hotchkiss, Robert S. (1941). The Effect of Hyperpyrexia Upon Spermatozoa Counts in Men, (Journal not given) (May), pp. 780 – 784.

e. Moore, Carl R. (1924). Properties of the Gonads as Controllers of Somatic and Physical Characteristics, The American Journal of Anatomy, Vo9l. 34, No. 2 (Nov.)

i.Testicular Reactions in Experimental Cryptorchidism, pp. 269 – 316

ii. Heat Applications and Testicular Degeneration; The Function of the Scrotum, pp. 337 – 357.

f. Moore, Carl R. (1951). Experimental Studies on the Male Reproductive System, The Journal of Urology, Vol. 65, No. 4 (April), pp. 497 – 506.

g. Voegdi, Martha (nd). Finders Guide from Sophia Smith Collection, Smith College and copies of three articles on male sterilization. Name may be spelled as Voegeli, Martha.

h. Watanbe, Akira (1959). The Effect of Heat on the Human Spermatogenesis, Kyushu Journal of Medical Science, Vol. 10, pp. 101 – 117.