Alan writes mainly for the United States Classics Society and is editor for the "Officials, et. al." section.

Exhibitor's Workshop

The Philatelic Exhibitor, Vol. 14, Nr. 3, July 2000

pdf - 5k

24¢ Interior Double Impression

Chronicle, Vol. 49, No. 4, November, 1997

pdf - 12k

24¢ Justice Short Transfer

Chronicle, Vol. 49, No. 4, November, 1997

pdf - 12k

Cancellations on United States Official Stamps / 1

Chronicle, Vol. 44, No. 4, November, 1992

pdf - 24k

Cancellations on United States Official Stamps / 2

Chronicle, Vol. 45, No. 1, February, 1993

pdf - 11k

Color Cancellations on U. S. Official Stamps, 1873-1884 / 1

Chronicle, Vol. 50, No. 4, November, 1998

pdf - 60k

Color Cancellations on U. S. Official Stamps, 1873-1884 / 2

Chronicle, Vol. 51, No. l, February, 1999

pdf - 60k

Design Evolution of the United States Official Stamps / 1

Chronicle, Vol. 47, No. 4, November, 1995

pdf - 60k

Design Evolution of the United States Official Stamps / 2

Chronicle, Vol. 48, No. l, February, 1996

pdf - 16k

Use of Ordinary Stamps for Official Correspondence by the Treasury Department

Chronicle, Vol. 43, No. 2, May, 1991

pdf - 6k

High Value Official Stamps on Cover

Chronicle, Vol. 52, No. 4, November, 2000

pdf - 52k

Killers of Fort Leavenworth, Kansas

Chronicle, Vol. 53, No. 1, February, 2001

pdf - 40k

Off-Cover Usage of Official Stamps in Wasnington, D.C., 1873-1874

Chronicle, Vol. 53, No. 2, May, 2001

pdf - 36k

Official Miscellany

Chronicle, Vol. ?, No. ?, ?, 19??

pdf - 8k

Officials at 1999 Stampshow

Chronicle, Vol. 51, No. 4, November, 1999

pdf - 5k

Plating the Official Stamps

Chronicle, Vol. 49, No. 3, August, 1997

pdf - 20k

Scarcity of Used United States Official Stamps

Chronicle, Vol. 47, No. l, February, 1995

pdf - 44k

Two Tickets to Pittsburgh

Chronicle, Vol. 46, No. l, November, 1994

pdf - 20k

Usage of Official Stamps in Washington, D.C., 1873-1874

Chronicle, Vol. 52, No. 3, August, 2000

pdf - 24k

Usage of Official Stamps in Washington, D.C., 1877-1884

Chronicle, Vol. 51, No. 4, November, 1999

pdf - 20k

Usages of the 7¢ Stanton Official Stamps

Chronicle, Vol. 52, No. l, February, 2000

pdf - 28k

Usages of Navy Department Official Stamps

Chronicle, Vol. 54, No. l, February, 2002

pdf - 33k

Varieties of U.S. Official Stamps 90¢ Navy and 3¢ Treasury

Chronicle, Vol. 48, No. 3, August, 1996

pdf - 20k

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