Sneath P.H.A., Sokal R.R. Numerical taxonomy: The principles and practices of numerical classification

San-Francisco: Freeman, 1973. – 573 p.The aims and principles of numerical taxonomy.
Taxonomic principles.
Taxonomic evidence.
The estimation taxonomic resemblance.
Taxonomic structure.
The study of phylogeny.
Population dynamics.
Identification and discrimination.
Applications for nomenclature.
A critical examination of numerical taxonomy.
Numerical taxonomy in fields other than biological systematics.
The future of systematics.
Appendixes