Penguin Education also published an extensive range of Readers and introductory texts for students in higher education, notably in subjects such as psychology, economics, management, sociology and science, while for teachers it provided a series of key texts such as "Language, the Learner and the School" and "The Language of Primary School Children". Following Allen Lane's death in 1970 and the takeover the same year by Pearson Longman, the division discontinued publishing school books and was closed in March 1974. More than 80 teachers, educational journalists and academics signed a letter to the Times Educational Supplement regretting the closure of the influential imprint