His Twentieth-century type, 1992: CIP t.p. (Lewis Blackwell)

Flach, T. Dogs, 2010: t.p. (text by Lewis Blackwell)

More than human, 2012: CIP data view (Lewis Blackwell)

Phone call to pub., 03-03-92 (Martin Lewis Blackwell; author prefers not using Martin)

amazon.com, June 8, 2012 (author of Dogs (Tim Flech, photographer) and 20th century type)

Blackwell, L. Life & love of trees, 2009 (Lewis Blackwell)

OCLC database, 11 Jan. 2013 (access points: Blackwell, Lewis, 1958- ; Blackwell, Lewis; Blackwell, Lewis, 19..- ; Blackwell, Lewis (1958- )

LC database, 11 Jan. 2013 (access point: Blackwell, Lewis, 1958- )

DNB in VIAF, 11 Jan. 2013 (access point: Blackwell, Lewis)