Baby Crying Excessively: Guide for parents by a family doctor.
Dealing with Crybabies: Parental advice from an experienced parent.
Evaluation and Intervention in Excessive Crying in Infancy: Overview presented by the Kansas Association for Infant Mental Health.
FamilyFun: Calming a Crybaby: Advice for parents whose toddler cries excessively.
MedlinePlus Medical Encyclopedia: Information on causes of excessive crying in infants, advice and treatment.