1. The lognormal distribution of the elements;Ahrens;Geochim. et Cosmochim. Acta,1954
2. A note on the relationship between the precision of classical methods of rock analysis and the concentration of each constituent;Ahrens;Mineral. Mag.,1954
3. A survey of the quality of some of the principal abundance data of geochemistry;Ahrens,1957
4. The possible significance of the rare alkali metals for an understanding of the origin of eruptive rocks;Ahrens,1959
5. Report on trace constituents in standard granite G—I and standard diabase W—1;Ahrens;Bull. U.S. Geol. Surv.,1960