Полный вариант заголовка: «Observations on reversionary payments = Vol. 1 : . : on schemes for providing annuities for widows, and for persons in old age : on the method of calculating the values of...
Полный вариант заголовка: «Observations on reversionary payments : Vol. 2 : on schemes for providing annuities for widows, and for persons in old age : on the method of calculating the values of...
