<prompt> Umusho 1: Umtapo wezincwadi waseCongress kanye nemibhalo ye-WorldCat empeleni yendodana ngo-1915 - 1971 ngokuyisisekelo iphathelene noGrover C. Halls kanye nomndeni. Umusho wesibili: Umtapo wezincwadi waseCongress kanye namarekhodi eWorldCat endodana yakhe ngo-1915 - 1971 kungokukaGrover C. Halls nomndeni wakhe. Umbuzo: Ingabe umusho 1 nomusho 2 usho into efanayo? Yebo noma Cha?  <response>: Yebo Yebo 