These are the number-one singles of 1968 according to the Top 100 Singles chart in Cashbox magazine.
See also
References
- http://members.aol.com/_ht_a/randypny2/cashbox/1968.html
- https://web.archive.org/web/20101121003349/http://cashboxmagazine.com/archives/60s_files/1968.html
- http://musicseek.info/no1hits/1968.htm