Talvez deva tentar algumas variações de ortografia:
maier viola » lanier viola (Expandir a Pesquisa), beier viola (Expandir a Pesquisa), walter viola (Expandir a Pesquisa)
matear stem » mater stem (Expandir a Pesquisa), master stem (Expandir a Pesquisa), water stem (Expandir a Pesquisa)
maier biol » maier il (Expandir a Pesquisa)
j matear » j matias (Expandir a Pesquisa), j mateu (Expandir a Pesquisa), j mata (Expandir a Pesquisa)
maher hm » maher h (Expandir a Pesquisa), maher he (Expandir a Pesquisa), maher amy (Expandir a Pesquisa)
viola de » viola _ (Expandir a Pesquisa), viola a (Expandir a Pesquisa), viola b (Expandir a Pesquisa)
e maier » b maier (Expandir a Pesquisa), _ maier (Expandir a Pesquisa), e maior (Expandir a Pesquisa)
j maher » a maher (Expandir a Pesquisa), g maher (Expandir a Pesquisa)
a maier » b maier (Expandir a Pesquisa), _ maier (Expandir a Pesquisa), a mailed (Expandir a Pesquisa)
stem e » stem es (Expandir a Pesquisa), stem en (Expandir a Pesquisa), stem _ (Expandir a Pesquisa)
hm a » ehm a (Expandir a Pesquisa), hmm a (Expandir a Pesquisa), hmf a (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 matear stem e maier biol res ) or ( j maher hm a maier viola de ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j matear stem e maier biol res ) OR ( j maher hm a maier viola de ))*.