Editorial
Letter From The Guest Editor
Brian L. Murphy

Invited Paper
Age Dating of Environmental Organic Residues
By Isaac R. Kaplan

Invited Commentary on Dr. Isaac Kaplan’s Paper “Age Dating of Environmental Organic Residues”
By Elizabeth A. Harvey

Invited Commentary on Dr. Isaac Kaplan’s Paper “Age Dating of Environmental Organic Residues”
By Richard Hurst

Invited Commentary on Dr. Isaac Kaplan’s Paper “Age Dating of Environmental Organic Residues”
By Gene Schmidt