- 1,2,3 : http://www.aaimedicine.org/journal-of-insurance-medicine/jim/2001/033-04-0298.pdf
- 4 : http://www.casact.org/pubs/proceed/proceed16/16129.pdf
- 5 : http://www.cdc.gov/nchs/data/lifetables/life89_1_2.pdf
- 6,7,8 : http://www.archive.org/stream/mortalitylawssta00henduoft/mortalitylawssta00henduoft_djvu.txt
- 11 : http://www.actuaries.org.uk/__data/assets/pdf_file/0008/25586/0155-0176.pdf
- 15 : http://www.statistics.gov.uk/downloads/theme_population/ELT15.pdf
- English Life Table No. 1 for 1841, published in the Fifth Annual Report of the Registrar General in 1843 (William Farr)
- English Life Table No. 2, published in 1853 (William Farr)
- English Life Table No. 3, published as a separate volume in 1864 (William Farr)
- English Life Table No. 4, covering the years 1871-1880
- English Life Table No. 5 covering the period 1881–90 and published in 1895
- English Life Tables No. 6 were based on the census returns of 1891 and 1901 and the deaths of the ten years 1891 to 1900 inclusive
- English Life Tables No. 7 based on the census returns of 1901 and 1911 and the deaths of the ten years 1901 to 1910 inclusive (George King)
- English Life Tables No. 8 based on the census of 1911 adjusted for increase to the middle of that year and on the death returns of the three years 1910 to 1912 inclusive. (George King)
- English Life Tables No. 9 1920-22 (Sir Alfred Watson)
- English Life Tables No. 10 1930-32
- English Life Tables No. 11 1950-52 (Sir George Maddex)
- English Life Tables No. 12 1960-62
- English Life Tables No. 13 1970-72
- English Life Tables No. 14 1980-82
- English Life Tables No. 15 1990-1992
- English Life Tables No. 16 2000-2002
- http://www.actuaries.org.uk/__data/assets/pdf_file/0011/25697/0099-0108.pdf
- http://books.google.co.uk/books?id=uFcHmXaUot4C&pg=PA60&lpg=PA60&dq=seventeen+offices+experience&source=bl&ots=GnZeXwU2Hi&sig=nFHkf41qZ1wJTm5vhNWCy5MUf1w&hl=en&ei=YRvNSpjqMISs4QbU26z7BQ&sa=X&oi=book_result&ct=result&resnum=4#v=onepage&q=seventeen%20offices%20experience&f=false