[nwah1]

The well-known numbers that have been known since the Moynihan Report.

[RC_ITR]

Come on, give its full title...

[toomanyrichies]

I didn't know what it was either. OP is likely referring to this:

https://en.wikipedia.org/wiki/The_Negro_Family:_The_Case_For...

Commonly known as the Moynihan Report. It has its supporters and its detractors. I have no opinion on it since this is the first I'm hearing of it.

[GauntletWizard]

At the time, the title was the opposite of a slur. Now, it would paint the report in a different light.