Cleland, J; (2001) The effects of improved survival on fertility: A reassessment. Population and development review, 27. pp. 60-92. ISSN 0098-7921 https://researchonline.lshtm.ac.uk/id/eprint/6186 Full text not available from this repository.

Sear, R; Coall, DA; (2011) How much does family matter? Cooperative breeding and the demographic transition. Population and development review, 37 (Supple). pp. 81-112. ISSN 0098-7921 DOI: https://doi.org/10.1111/j.1728-4457.2011.00379.x

Timaeus, IM; Moultrie, TA; (2008) On postponement and birth intervals. Population and development review, 34 (3). pp. 483-510. ISSN 0098-7921 DOI: https://doi.org/10.1111/j.1728-4457.2008.00233.x