• American Meat Science Association (AMSA)
  https://meatscience.org/home 

• National Cattlemen's Beef Association (NCBA)
  https://www.beef.org/

• National Pork Board (NPB)
  https://www.pork.org/

• American Lamb Board (ALB)
  https://americanlamb.com/

• Biblioteca Nacional de Portugal (BNP)

https://www.bnportugal.gov.pt/

• Biblioteca Nacional de França (BNP)

https://www.bnf.fr/en

• Biblioteca de Fundo Antigo da Universidade de Coimbra (Alma Mater)

https://almamater.uc.pt/