Talvez deva tentar algumas variações de ortografia:
mather chem » mather cam (Expandir a Pesquisa), mather chad (Expandir a Pesquisa), mather em (Expandir a Pesquisa)
maier biol » maier viola (Expandir a Pesquisa), maier i.l (Expandir a Pesquisa), maier il (Expandir a Pesquisa)
after them » after three (Expandir a Pesquisa), after thumb (Expandir a Pesquisa), after tha (Expandir a Pesquisa)
maier boni » maier don (Expandir a Pesquisa), maier monika (Expandir a Pesquisa)
j mather » j mathew (Expandir a Pesquisa), j maher (Expandir a Pesquisa), j matthew (Expandir a Pesquisa)
pj after » onj after (Expandir a Pesquisa)
e maier » b maier (Expandir a Pesquisa), _ maier (Expandir a Pesquisa), e maior (Expandir a Pesquisa)
a maier » b maier (Expandir a Pesquisa), _ maier (Expandir a Pesquisa), a mailed (Expandir a Pesquisa)
chem e » chem _ (Expandir a Pesquisa)
biol m » biol 8 (Expandir a Pesquisa), fiol m (Expandir a Pesquisa), biol med (Expandir a Pesquisa)
them a » them _ (Expandir a Pesquisa)
boni m » boni e (Expandir a Pesquisa), boni l (Expandir a Pesquisa), boni 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 mather chem e maier biol m ) or ( pj after them a maier boni m ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j mather chem e maier biol m ) OR ( pj after them a maier boni m ))*.