The figures we have quoted on the development of bank capital, on the increase in the number of branches and offices of the biggest banks, the increase in the number of their accounts, etc., present a concrete picture of this 'universal bookkeeping' of the whole capitalist class; and not only of the capitalists, for the banks collect, even though temporarily, all kinds of financial revenues of small businessmen, office clerks, and of a small upper stratum of the working class.