Talvez deva tentar algumas variações de ortografia:
matter sheri » matter where (Expandir a Pesquisa), matter share (Expandir a Pesquisa), matter chern (Expandir a Pesquisa)
lanier viola » walter viola (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)
sheri e » sheri l (Expandir a Pesquisa), sheri d (Expandir a Pesquisa), sheri a (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 » m maher (Expandir a Pesquisa), a maher (Expandir a Pesquisa)
viola d » viola de (Expandir a Pesquisa), viola _ (Expandir a Pesquisa), viola a (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 sheri e maier biol m ) or ( ((j maher) OR (g maher)) ochem a lanier viola d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j matter sheri e maier biol m ) OR ( ((j maher) OR (g maher)) ochem a lanier viola d ))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j matter sheri e maier biol m ) or ( ((j maher) OR (g maher)) ochem a lanier viola d ))*".