| afandpa.org | American Forest and Paper Association |
| fipago.org | International Federation of Manufacturers of Gummed Paper |
| cppa.org | Cleveland Police Patrolman's Association |
| corrugated.org.uk | Cpa |
| cepiprint.ch | CEPIPRINT. Association of European Publication Paper Producers |
| cepi.org | CEPI. Confederation of European Paper Industries |
| baph.org.uk | BAPH. British Association of Paper Historians |
| ace.be | ACE. The Alliance for Beverage Cartons and the Environment |
| stanford.edu | Institute Of Paper Conservation |
| europeantissue.com | ETS. European Tissue Symposium |
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