Print sources include any material that is found in print: a traditional book, magazine, or newspaper. In these times of multiple electronic sources, it can be confusing to determine which sources are identified as print. Even if you find a source in an online database, if there is a print (paper) copy somewhere, then you can list this source as print.
No. Stalin kept himself separated from his people. He was “above” the common law as he was of great importance, so he was not fighting for food and shelter as many citizens were.