My great grandfather, Manuel Vieira Atanazio, b.ca1872, Pico, Azores, Portugal, went to sea on American whaling ships at 14 yrs old. He settled in Papaikou (near Hilo) Hawaii, in 1893. He only used Manuel Vieira for years, later used Atanazio. Many young males from the Azores sailed on American whalers. I need a record of his work, his obtaining U.S. citizenship, and his family.