Logical Properties
- Patricia Blanchette reviews this book by Colin McGinn. From Notre Dame Philosophical Reviews.
- http://ndpr.nd.edu/review.cfm?id=1244

Emergent Ontologies
- A lecture by Gregory Ulmer, University of Florida, August 2000, part of the Open Philosophy series at European Graduate School.
- http://www.egs.edu/faculty/ulmer/ulmer-emergent-ontologies-2000.html

Logic and Formal Ontology
- Article by Barry Smith discussing Husserl's Logical Investigations.
- http://wings.buffalo.edu/philosophy/faculty/smith/articles/lfo.html

Meaning and the Problem of Universals
- Subtitled a `Kantian-Friesian approach', an article by Kelley L. Ross. A nice historical survey of the problem of universal, but a bit weak on particular theories (eg. Frege).
- http://www.friesian.com/universl.htm

Logic and Sachverhalte
- Article by Barry Smith, discussing a view of logic which sees it as the science of states of affairs (Sachverhalte).
- http://wings.buffalo.edu/academic/department/philosophy/faculty/smith/articles/logsvh.html