Talvez deva tentar algumas variações de ortografia:
summers john » simmers john (Expandir a Pesquisa), summers j (Expandir a Pesquisa)
null complex » gull complex (Expandir a Pesquisa), cell complex (Expandir a Pesquisa), wall complex (Expandir a Pesquisa)
complex care » complex case (Expandir a Pesquisa)
holt company » cola company (Expandir a Pesquisa), coll company (Expandir a Pesquisa), post company (Expandir a Pesquisa)
company case » company based (Expandir a Pesquisa), company a (Expandir a Pesquisa)
john newton » john nelson (Expandir a Pesquisa), jean newton (Expandir a Pesquisa), john newman (Expandir a Pesquisa)
l summers » _ summers (Expandir a Pesquisa), a summers (Expandir a Pesquisa), m summers (Expandir a Pesquisa)
care non » rare non (Expandir a Pesquisa), care new (Expandir a Pesquisa), more non (Expandir a Pesquisa)
case non » cause non (Expandir a Pesquisa), case note (Expandir a Pesquisa), use non (Expandir a Pesquisa)
3 null » _ null (Expandir a Pesquisa), a null (Expandir a Pesquisa), 1 null (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 l summers john newton ) or ((( 3 null complex care non ) or ( l holt company case non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l summers john newton ) OR ((( 3 null complex care non ) OR ( l holt company case non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l summers john newton ) or ((( 3 null complex care non ) or ( l holt company case non ))))*.