English: Sign on public toilet northwest of Charles Sumner statue, intersection Garden St. and Massachusetts Ave., Harvard Square, Cambridge, Massachusetts. The sign is not official - CFR 1910 did not have a Part 42.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.