Tolong jelaskan mengenai Sumber sekunder dari Bernard Baruch

Eisenhower worked closely with Baruch in 1930.

Нехамкин Эрнст.БЕРНАРД БАРУХ. Их помнит Нью-Йорк

PRECLÍK, Vratislav. Masaryk a legie (Masaryk and legions), váz. kniha (book), 219 pages, vydalo nakladatelství (publisher) Paris Karviná, Žižkova 2379 (734 01 Karvina, Czech Republic) (in cooperation with Masaryk Democratic Movement, Prague), 2019,