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Young Jack Harkaway in the wilds of Siberia
Texan spy, or, The prairie guide
The Nihilist's son, or, The spy of the third section
The nihilist's second move, or, Nick Carter's timely interference
The little demon, or, Plotting against the czar
The great spy system, or, Nick Carter's promise to the president
cotton-thief
The brotherhood of Free Russia, or, Nick Carter's beautiful friend Olga
The boy in red, or, The czar's masked messenger
Plotters against a nation, or, The mystery of the perfumed handkerchief
Mignon Duprez, the female spy, or, Patsy's fight for Adelina