1. The evolution of life histories;SC Stearns,1992
2. New Paths in Genetics;JBS Haldane,1941
3. Old age and natural death;PB Medawar;Mod Q,1946
4. An Unsolved Problem of Biology;PB Medawar,1952
5. Pleiotropy, Natural Selection, and the Evolution of Senescence;GC Williams;Evolution,1957