Five Technically Legal Signs for Your Library [plus one]

[be cool and copy them if you want to show them on your site, don't link directly to images, thanks]
[you are welcome to reproduce these for any purpose as long as you credit me or this page]

[thanks to Joel for this one, click for a high res pdf suitable for printing]

[the FBI has not been here. watch closely for removal of this sign]

[on the assumption that it's only illegal to say they've been there if it's true...]

[released under a creative commons share and share alike license]