The majority of these jokes are based on material

 https://www.google.com.au/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CCsQFjAAahUKEwji-8-Es7vHAhWFbY4KHVZzAbk&url=http%3A%2F%2Fcodingnetworking.blogspot.com%2F2015%2F08%2Fhttpgoogl3fktwi.html&ei=lb3XVaLdJIXbuQTW5oXICw&usg=AFQjCNFDokQYcVnig9qCvfdsjRB2SLanYQ
Disclaimer
The majority of these jokes are based on material that is
freely available in the public domain. No information as to
who wrote the original versions of these jokes was available.
If anyone feels they have a valid claim to the copyright
ownership of the roots of any joke contained herein, please
contact the publishers with supporting evidence in order
that credit may be given in any future edition.