v. 1. United Kingdom -- v. 2. France -- v. 3. Germany -- v. 4. Italy -- v. 5. Netherlands -- v. 6. Belgium and Luexembourg -- v. 7. Scandinavia -- v. 8. Austria and Switzerland -- v. 9. Spain and Portugal -- v. 10. Eastern Europe -- v. 11. U.S.S.R. -- v. 12. Greece, Turkey and Arab States -- v. 13. Israel -- v. 14. China, India and Central Asia -- v. 15. Southeatern Asia -- v. 16. International science -- v. 17. Japan -- v. 18. Australia and New Zealand -- v. 19. Central Africa -- v. 20. South Africa and Rhodesia -- v. 21. Latin America -- v. 22-23. U.S.A. -- v. 24. Canada