Talvez deva tentar algumas variações de ortografia:
matter chern » matter cheryl (Expandir a Pesquisa), matter where (Expandir a Pesquisa), matter sheri (Expandir a Pesquisa)
maher ochem » maher rachel (Expandir a Pesquisa)
maier biol » maier viola (Expandir a Pesquisa), maier i.l (Expandir a Pesquisa), maier il (Expandir a Pesquisa)
j matter » j mattera (Expandir a Pesquisa), j mattern (Expandir a Pesquisa), j mather (Expandir a Pesquisa)
a lanier » w lanier (Expandir a Pesquisa), l lanier (Expandir a Pesquisa), a lander (Expandir a Pesquisa)
chern e » chern en (Expandir a Pesquisa), cheron e (Expandir a Pesquisa), chern m (Expandir a Pesquisa)
e maier » b maier (Expandir a Pesquisa), _ maier (Expandir a Pesquisa), a maier (Expandir a Pesquisa)
j maher » m maher (Expandir a Pesquisa), a maher (Expandir a Pesquisa), g maher (Expandir a Pesquisa)
viola a » viola b (Expandir a Pesquisa)
biol m » biol 8 (Expandir a Pesquisa), fiol m (Expandir a Pesquisa), biol med (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 matter chern e maier biol m ) or ( j maher ochem a lanier ((viola a) OR (viola _)) ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j matter chern e maier biol m ) OR ( j maher ochem a lanier ((viola a) OR (viola _)) ))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j matter chern e maier biol m ) or ( j maher ochem a lanier ((viola a) OR (viola _)) ))*".