[1] After returning to Russia Struve became one of the editors of the successive Legal Marxist magazines Novoye Slovo (The New Word, 1897), Nachalo (The Beginning, 1899) and Zhizn (1899–1901).

Struve was also the most popular speaker at the Legal Marxist debates at the Free Economic Society in the late 1890s—early 1900s in spite of his often impenetrable-to-laymen arguments and unkempt appearance.

Struve and Mikhail Tugan-Baranovsky represented the moderates during the negotiations with Julius Martov, Alexander Potresov and Vladimir Lenin, the leaders of the party's radical wing, in Pskov in March 1900.

The two sides eventually reached a compromise which included making Struve the editor of Sovremennoe Obozrenie (Contemporary Review), a proposed supplement to the radicals' magazine Zaria (Dawn), in exchange for his help in securing financial support from Russian liberals.

After the Duma's dissolution on 3 June 1907, Struve concentrated on his work at Russkaya Mysl (Russian Thought), a leading liberal newspaper, of which he had been publisher and de facto editor-in-chief since 1906.

[citation needed] In May 1917, after the February Revolution of 1917 overthrew monarchy in Russia, Struve was elected as member of the Russian Academy of Sciences, until he was excluded by the Bolshevik-engineered expulsion of 1918.

In early 1918 he returned to Moscow, where he lived under an assumed name for most of the year, contributed to Iz Glubiny (variously translated as De Profundis, From the Deep or From the Depths, 1918[8]), a follow-up to Vekhi, and published several other notable articles on the causes of the revolution.

With the Russian Civil War raging and his life in danger Struve had to flee; and after a three-month journey arrived in Finland, where he negotiated with general Nikolai Yudenich and the Finnish leader Carl Gustaf Emil Mannerheim before leaving for Western Europe.

Struve represented general Anton Denikin's anti-Bolshevik government in Paris and London in 1919, before returning to Denikin-controlled territories in the South of Russia, where he edited a leading newspaper of the White Movement.

[9] With the defeat of Wrangel's army in November 1920 Struve left for Bulgaria, where he relaunched Russkaya Mysl under the aegis of the emigre "Russko-Bolgarskoe knigoizdatel'stvo" publishing house.