During my journey I had bought a number of books and collections of socialist newspapers. In Russia, such books were "unconditionally prohibited" by censorship; and some of the collections of newspapers and reports of international congresses could not be bought for any amount of money, even in Belgium. "Shall I part with them, while my brother and my friends would be so glad to have them at St. Petersburg? " I asked myself; and I decided that by all means I must get them into Russia. I returned to St. Petersburg via Vienna and Warsaw. Thousands of Jews live by smuggling on the Polish frontier, and I thought that if I could succeed in discovering only one of them, my books would be carried in safety across the border. However, to alight at a small railway station near the frontier, while every other passenger went on, and to hunt there for smugglers, would hardly have been reasonable; so I took a side branch of the railway and went to Cracow. "The capital of old P...