^Dunn, PM (2002). "Sir Leonard Parsons of Birmingham (1879-1950) and antenatal paediatrics". Arch. Dis. Child. Fetal Neonatal Ed. 86 (1): F65–7. doi:10.1136/fn.86.1.F65. PMC 1721345. PMID 11815555.
^"Archived copy" (PDF). Archived from the original (PDF) on 4 March 2016. Retrieved 20 December 2014.{{cite web}}: CS1 maint: archived copy as title (link)
^Dunn, PM (2002). "Sir Leonard Parsons of Birmingham (1879-1950) and antenatal paediatrics". Arch. Dis. Child. Fetal Neonatal Ed. 86 (1): F65–7. doi:10.1136/fn.86.1.F65. PMC 1721345. PMID 11815555.
^"Archived copy" (PDF). Archived from the original (PDF) on 4 March 2016. Retrieved 20 December 2014.{{cite web}}: CS1 maint: archived copy as title (link)
^"Inspiring Physicians | RCP Museum".
^"Sir Leonard Parsons of Birmingham (1879–1950) and antenatal paediatrics -- Dunn 86 (1): F65 -- ADC - Fetal and Neonatal Edition". Archived from the original on 18 January 2013. Retrieved 20 December 2014.