Association, American Bar (1 April 1993). "ABA Journal". American Bar Association – via Google Books.
chambersstudent.co.uk
"The job came about through serendipity. During World War I, Allen served in France and saved another officer... That officer was Walter Monckton, a leading barrister... Monckton and Allen subsequently struck up a friendship and it was this relationship that would give Allen & Overy its big break over a decade later." 'A brief history of Allen & Overy'
"Archived copy". Diarsipkan dari versi asli tanggal 2 April 2012. Diakses tanggal 30 May 2018.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
"Archived copy". Diarsipkan dari versi asli tanggal 2 April 2012. Diakses tanggal 30 May 2018.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)