La escuela, el estado y el mercado, 1998: port. (David Halpin)

Fitz, J. Grant maintained schools, 1993: CIP t.p. (David Halpin) galley (lecturer in Education Policy and School Management, Univ. of Warwick)

Devolution and choice in education, 1997: CIP t.p. (David Halpin) data sheet, etc. (Halpin, David C., b. Sept. 11, 1947; prof. of education, Goldsmiths Coll., Univ. of London, author of Grant maintained schools)