Presidential documents consist of
Executive Orders
Proclamations
Speeches
Vetoes
Signing Statements
All of these can be found in any of the following sources:
The Weekly (or, now, Daily) Compilation of Presidential Documents, the Federal Register, Title 3 of the Code of Federal Regulations, and the publication, “Public Papers of the Presidents.” So, lots of places.
Find the transcript of a Telemundo television interview with President Obama about DACA.
Open the Hein Online Database.
Scroll down to find the “U.S. Presidential Library.”
Search Obama telemundo DACA