Talvez deva tentar algumas variações de ortografia:
avian communal » via communal (Expandir a Pesquisa), african communal (Expandir a Pesquisa), avian community (Expandir a Pesquisa)
narl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), early compared (Expandir a Pesquisa)
swab compared » swabs compared (Expandir a Pesquisa), lab compared (Expandir a Pesquisa), ssb compared (Expandir a Pesquisa)
communal con » communal crow (Expandir a Pesquisa), communal car (Expandir a Pesquisa), communal coping (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
j avian » _ avian (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), upon net (Expandir a Pesquisa)
_ narl » _ narp (Expandir a Pesquisa), _ nara (Expandir a Pesquisa)
_ swab » _ swan (Expandir a Pesquisa)
note » none (Expandir a Pesquisa), node (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 avian communal con net ) or ((( _ narl compared a note ) or ( _ swab compared a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j avian communal con net ) OR ((( _ narl compared a note ) OR ( _ swab compared a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j avian communal con net ) or ((( _ narl compared a note ) or ( _ swab compared a new ))))*.