1. An extension of Schwarz’s lemma;Ahlfors;Trans. Amer. Math. Soc.,1938
2. Conformal Invariants: Topics in Geometric Function Theory;Ahlfors,1973
3. Collected Papers. Edited with the Assistance of Rae Michael Shortt;Ahlfors,1982
4. Some geometric aspects of the work of Lars Ahlfors;Brooks,2000
5. On a class of conformal metrics;Heins;Nagoya Math. J.,1962