Where would one find a list of powers forbidden to congress?

The correct answer to this open question is the following.

One can find a list of powers forbidden to Congress in Article I, Section 9.

In this part, the Constitution prohibits Congress the legislation in the following areas: the Writ of Habeas Corpus, Bills of Attainder and Ex  Post Facto Laws, the Port Preference Clause and Export taxes. The Constitution also prohibits Congress to grant titles of nobility to people and does not authorize public officials from accepting a gift or title from other Congress unless it is approved by Congress.

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.