1. On the Eastern centers of origin of cultivated plants; 2. On the origin of cultivated plants; 3. Centers of origin of cultivated plants; 4. Geographical regularities in relation to the distribution of the genes of cultivated plants; 5. Universal centers of a wealth of types of cultivated plants; 6. The problem concerning the origin of cultivated plants as presently understood; 7. The problem concerning the origin of agriculture in the light of recent research; 8. The role of Central Asia in the origin of cultivated plants; 9. Mexico and Central America as a basic center of origin of cultivated plants in the New World; 10. The plant resources of the world and the work performed the the All Union Institute of Plant Industry toward their utilization; 11. The world centers of origin of agriculture and the soil map of the world; 12. Soviet science and the study of the problem concerning the origin of domesticated animals; 13. Problems concerning new crops; 14. The present state of worldwide agriculture and agricultural sciences; 15. The plant resources of the world and their utilization for socialistic agriculture; 16. Plant resources of the world and the mastering thereof; 17. The phyto-geographical basis for plant breeding; 18. Asia - the source of species; 19. Plant resources of the world and their utlization for plant breeding; 20. The important agricultural crops of pre-Columbian America and their mutual relationship; 21. Reply to the article by G. N. Shlykov, 'formal genetics and consistent Darwinism; 22. The theory of the origin of cultivated plants after Darwin; 23. Introduction of plants during the Soviet era and its results; 24. New data on the cultivated flora of china and its importance for Soviet plant breeding; 25. A letter to S. M. Bukasov; Indices.