- Author: Beth Singler Eileen Barker
- Language: English
- Year: 2021
- Author: Carlos Cueto (ed.) Pedro Dulanto Fernando de Azevedo Ernest Barker Jorge Basadre Jean Bayet Jan Belehradek Gaston Berger Pedro Cebollero James Bryant Conant Honorio Delgado Robert Dottrens Juan García Bacca Raymond Gibson Lawrence Mc Ginley Robert King Hall B. A. Houssay J. C. Jones J. Lambert Julián Merjas Rodolfo Mondolfo Alfonso Reyes Pedro Roselló Rafael Valle Francesco Vito Aloys Wenzl (auts.)
- Language: Spanish
- Year: 1951
- Author: Barker Bruce A.
- Language: English
- Year: 2023
- Author: Jeff Barker
- Language: English
- Year: 2022
- Author: Sarah Lizabeth Barker
- Language: English
- Year: 2022
- Author: Francis Barker Peter Hulme Margaret Iversen
- Language: English
- Year: 1992
- Author: Robin Barker
- Language: English
- Year: 2013
- Author: Ralph Barker
- Language: English
- Year: 2020
- Author: Ash Barker
- Language: English
- Year: 2009