„Inventors of the transistor followed diverse paths after 1947 discovery”. Bangor Daily News. Associated Press. 26. 12. 1987. Приступљено 2022-07-13. „Although he has received less publicity in recent years, his views have become, if anything, more extreme. He suggested in an interview the possibility of bonus payments to black people for undergoing voluntary sterilization.”CS1 одржавање: Формат датума (веза)
„Palo Alto History”. www.paloaltohistory.org. Приступљено 14. 12. 2020. „In Palo Alto, William's temper improved little at first. But ignoring psychiatric recommendations for more socialization, his parents decided to home school William until age eight. Finally, feeling they were unable to keep him out of a school setting any longer, they sent him to the Homer Avenue School for two years, where his behavior improved dramatically --- he even earned an "A" in comportment in his first year.”CS1 одржавање: Формат датума (веза)