1. Studies on the cyclobutadienyl dianion
2. Applequist, D. E., and Gwynn, D. E., private communication.
3. Small-Ring Compounds. XV. Methylenecyclobutene and Related Substances1
4. Derivatives of Sulfenic Acids. XXXII. The Synthesis of Azulenes via the Interactions of Arylacetylenes with Sulfenyl Halides. Part 1. 1,2,3-Triphenylazulene1,a,b,c
5. Untersuchungen in der Cyclobutanreihe, XII. Zwei stereoisomere Dimere des Cyclobutadiens