found: Gomes da Rocha Madahil, A. Alguns aspectos do ... 1941.
found: Grande encic. port. e bras.(Beira, a former province of Portugal until 1834 when the provincial system was suspended; in 1936 the approximate area of the former province was divided into 3 new provinces including Beira Litoral)
found: Silveira, J. da. Estudos de toponÃmia da Bairrada e outras notas, 1993:p. 13 (terras da Bairrada)
found: Grande encic. port. e bras., 1938(hdg.: Bairrada; the administrative division now known as Beira Litoral [no publs. in LC])