[available on Google Books (accessed 29 December 2010)]
[see regimental colors]
[page 377]
Thursday, December 26, 1872.
...
[page 382]
Also,
A report from Committee on City Property, with resolution annexed entitled "Resolution of instruction to the Commissioner of Markets and City Property relative to flags of Ninety-first Regiment Pennsylvania Volunteers," which they had passed, and in which they asked concurrence.
[page 400]
[as far as I can determine, this occurred later in the same meeting]
Also,
Proceeded to the second reading of the resolution from Select Council entitled "Resolution of instruction to the Commissioner of Markets and City Property relative to flags of Ninety-first Regiment Pennsylvania Volunteers."
The resolution was twice read and agreed to.
The title was agreed to.
So Common Council concurred.