一般注記"The address on 'Man and his environment' was the closing lecture for the winter session of 1912-1913 of the series given in connection with the Public libraries of Glasgow . . . The address on 'Journalism and citizenship' was delivered to the Glasgow district of the Institute of journalists, and that on 'Are moral and religious beliefs capable of proof?' was given in Manchester as one of the Deansgate lectures"--Pref.