Talvez deva tentar algumas variações de ortografia:
ethics easton » ethics eastern (Expandir a Pesquisa), ethics past (Expandir a Pesquisa)
media ethics » medical ethics (Expandir a Pesquisa)
ethics east » ethics past (Expandir a Pesquisa), ethics art (Expandir a Pesquisa), ethics eastern (Expandir a Pesquisa)
ethics case » ethics cases (Expandir a Pesquisa), ethical case (Expandir a Pesquisa), ethics code (Expandir a Pesquisa)
easton m.d » heuston m.d (Expandir a Pesquisa), marston m.d (Expandir a Pesquisa), easton d (Expandir a Pesquisa)
east m.d » east med (Expandir a Pesquisa), west m.d (Expandir a Pesquisa), east mau (Expandir a Pesquisa)
case med » case aimed (Expandir a Pesquisa), case media (Expandir a Pesquisa), case mixed (Expandir a Pesquisa)
j media » j medina (Expandir a Pesquisa), j mejia (Expandir a Pesquisa), j melia (Expandir a Pesquisa)
j old » _ old (Expandir a Pesquisa), y old (Expandir a Pesquisa), j o'd (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j old ethics east m.d ) or ( j media ethics easton m.d ))) or ( j old ethics case med ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j old ethics east m.d ) OR ( j media ethics easton m.d ))) OR ( j old ethics case med )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j old ethics east m.d ) or ( j media ethics easton m.d ))) or ( j old ethics case med ))*.