Talvez deva tentar algumas variações de ortografia:
mattner jochen » walter jochen (Expandir a Pesquisa)
lanier viola » walter viola (Expandir a Pesquisa)
mather hm » mather m (Expandir a Pesquisa), mather em (Expandir a Pesquisa), mather b.m (Expandir a Pesquisa)
j mattner » f mattner (Expandir a Pesquisa), j trattner (Expandir a Pesquisa), j matthew (Expandir a Pesquisa)
maier bio » maier b (Expandir a Pesquisa), maier i (Expandir a Pesquisa), maier il (Expandir a Pesquisa)
mather h » mather _ (Expandir a Pesquisa), heather h (Expandir a Pesquisa)
b lanier » w lanier (Expandir a Pesquisa), l lanier (Expandir a Pesquisa), k lanier (Expandir a Pesquisa)
jochen a » jochen h (Expandir a Pesquisa), jochen c (Expandir a Pesquisa), jochen b (Expandir a Pesquisa)
viola b » viola _ (Expandir a Pesquisa), viola a (Expandir a Pesquisa)
a maier » b maier (Expandir a Pesquisa), _ maier (Expandir a Pesquisa), a mailed (Expandir a Pesquisa)
bio med » biol med (Expandir a Pesquisa), bio mems (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 ((mather hm) OR (mather h)) b lanier viola b ) or ( j mattner jochen a maier bio med ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j ((mather hm) OR (mather h)) b lanier viola b ) OR ( j mattner jochen a maier bio med ))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j ((mather hm) OR (mather h)) b lanier viola b ) or ( j mattner jochen a maier bio med ))*".