The Washington Post does not require permission for text links to its site, but claims it has the right to revoke permission for such links at any time.  DES permalink

GE Capital Real Estate prohibits deep links to its site, requires linking sites to request permission via this form (which ordinarily isn't even accessible without agreeing to the linking terms), and reserves the right to withdraw permission for links to its home page.  DES permalink

Canberra Connect, a government web site in Australia, requires linking sites to request permission in writing, and will deny permission if the link is used "for commercial practices" (whatever that means).  DES permalink

Maryknoll Mission asks for notification from linking sites, says that such sites "are reviewed on a regular basis," and "reserves the right to request a dissolution of the link should the linking party become an inappropriate venue."  DES permalink

U-nameit.net requires advance permission for links to its site.  DES permalink

Healthy Resources wants to be notified every time a link to its site is created, and claims the right to prohibit "inappropriate" links.  DES permalink

The Washington State Patrol says it "may grant the owner of any approved Web site permission to link to the WSP Home Page," and you have to accept the linking terms before you can even see the request form.  DES permalink

Reality-tv.net prohibits deep links and claims the right to require the removal of all links from other sites. Failure to comply "will result in further action," whatever that means.  DES permalink

Motorola prohibits reproducing its site "by linking, framing, or any other method" without prior express written consent.  DES permalink

Disney says "We reserve the right to disable links from third-party sites to any WDIG Site." (Does that mean Disney can configure its site to serve different content depending upon the HTTP referrer, or does it mean Disney can hack into this web server in order to remove the link to its site?)  DES permalink

NPR until recently required a signed linking agreement for all links; now it merely reserves the right to withdraw permission for any link.  DES permalink

The Council of Better Business Bureaus permits some types of organizations to link to its site and requires others to obtain permission, but in all instances it reserves the right to require that all links to its site be removed.  DES permalink

Verizon Wireless requires prior written permission for links, prohibits deep links, and specifies the text that must appear in the link anchor.  DES permalink

New York City Partnership prohibits linking without prior express written permission.  DES permalink

Girlstart prohibits deep links and requires its express permission even for links to its home page.  DES permalink

The Chicago Sun-Times prohibits deep links, and prohibits all links from sites that are scandalous, inflammatory, or otherwise inappropriate. The Chicago Tribune permits linking "provided you agree to cease such link upon request."  DES permalink

CanadianBusinessNames.com and Capital.com both prohibit linking to their sites without prior written permission.   DES permalink

ASME (the American Society of Mechanical Engineers) requires that links to its site open in a new browser window.  DES permalink

ACNielsen, The Dallas Morning News, and Ticketmaster are among sites that prohibit "deep links" (in other words, they permit links only to their home page).  DES permalink

Monsanto FarmSource says that sites linking to it "may not contain content that could be construed as distasteful, offensive or controversial, and must contain only content that is appropriate for all age groups."  DES permalink

CARFAX says it will investigate and take appropriate legal action against unauthorized linking to its site, including civil and criminal proceedings.  DES permalink

Australia Post prohibits linking to all but five specific pages on its web site.  DES permalink