Talvez deva tentar algumas variações de ortografia:
maier viola » lanier viola (Expandir a Pesquisa), beier viola (Expandir a Pesquisa), walter viola (Expandir a Pesquisa)
mater stem » after stem (Expandir a Pesquisa), materi sistem (Expandir a Pesquisa), matter system (Expandir a Pesquisa)
viola res » viola reyes (Expandir a Pesquisa), viola reka (Expandir a Pesquisa), viola rose (Expandir a Pesquisa)
a lanier » l lanier (Expandir a Pesquisa), a lander (Expandir a Pesquisa), a langer (Expandir a Pesquisa)
w lanier » w lange (Expandir a Pesquisa), w lauder (Expandir a Pesquisa), w lane (Expandir a Pesquisa)
j mater » j matear (Expandir a Pesquisa), j mather (Expandir a Pesquisa), j mateu (Expandir a Pesquisa)
viola d » viola de (Expandir a Pesquisa), viola _ (Expandir a Pesquisa), viola a (Expandir a Pesquisa)
j maher » m maher (Expandir a Pesquisa), a maher (Expandir a Pesquisa), g maher (Expandir a Pesquisa)
maher m » maher e (Expandir a Pesquisa), maher a (Expandir a Pesquisa)
a maier » b maier (Expandir a Pesquisa), _ maier (Expandir a Pesquisa), a mailed (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 mater stem ((a lanier) OR (w lanier)) viola d ) or ( j maher m a maier viola res ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j mater stem ((a lanier) OR (w lanier)) viola d ) OR ( j maher m a maier viola res )).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j mater stem ((a lanier) OR (w lanier)) viola d ) or ( j maher m a maier viola res ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j mater stem ((a lanier) OR (w lanier)) viola d ) or ( j maher m a maier viola res ))*.