"May 1997"--P. [4] of cover.Shipping list no.: 97-0342-P.Cover title.Mode of access: Internet
"November 1997"--P. [4] of cover.Shipping list no.: 98-0364-P.Cover title.Mode of access: Internet
"December 1997"--P. [4] of cover.Shipping list no.: 98-0185-P.Mode of access: Internet
"November 1997"--P. [4] of cover.Shipping list no.: 99-0108-P.Cover title.Mode of access: Internet
"September 1996"--P. [4] of cover.Shipping list no.: 97-0080-P.Cover title.Mode of access: Internet
"May 1995"--P. [4] of cover.Shipping list no.: 96-0052-P.Cover title.Mode of access: Internet
"April 1998"--P. [4] of cover.Shipping list no.: 98-0299-P.Cover title.Mode of access: Internet
"February 1993"--P. [2] of cover.Shipping list no.: 93-0276-P.Cover title.Mode of access: Internet
"February 1991"--P. [4] of cover.Shipping list number: 97-0356-P.Cover title.Mode of access: Interne...
"November 1992"--P. [4] of cover.Shipping list no.: 93-0264-P."7 to 10 year olds."Cover title.Mode o...
"April 1996"--P. [4] of cover.Shipping list no.: 97-0181-P.Cover title.Mode of access: Internet.
"November 1994"--P. [4] of cover.Shipping list no.: 95-0057-P.Cover title.Mode of access: Internet
"April 1993"--P. [2] of cover.Shipping list no.: 93-0337-P.Cover title.Mode of access: Internet.
"Preliminary copy, April 2000."Shipping list no.: 2001-0023-P.Cover title.Mode of access: Internet
"October 2000, slightly revised September 2006"--P. [4] of Cover.Shipping list no.: 2007-0081-P.Cove...
"December 1995"--P. [3] of cover.Shipping list no.: 96-0123-P.Cover title.Mode of access: Internet.
"November 1997"--P. [4] of cover.Shipping list no.: 98-0364-P.Cover title.Mode of access: Internet
"December 1997"--P. [4] of cover.Shipping list no.: 98-0185-P.Mode of access: Internet
"November 1997"--P. [4] of cover.Shipping list no.: 99-0108-P.Cover title.Mode of access: Internet
"September 1996"--P. [4] of cover.Shipping list no.: 97-0080-P.Cover title.Mode of access: Internet
"May 1995"--P. [4] of cover.Shipping list no.: 96-0052-P.Cover title.Mode of access: Internet
"April 1998"--P. [4] of cover.Shipping list no.: 98-0299-P.Cover title.Mode of access: Internet
"February 1993"--P. [2] of cover.Shipping list no.: 93-0276-P.Cover title.Mode of access: Internet
"February 1991"--P. [4] of cover.Shipping list number: 97-0356-P.Cover title.Mode of access: Interne...
"November 1992"--P. [4] of cover.Shipping list no.: 93-0264-P."7 to 10 year olds."Cover title.Mode o...
"April 1996"--P. [4] of cover.Shipping list no.: 97-0181-P.Cover title.Mode of access: Internet.
"November 1994"--P. [4] of cover.Shipping list no.: 95-0057-P.Cover title.Mode of access: Internet
"April 1993"--P. [2] of cover.Shipping list no.: 93-0337-P.Cover title.Mode of access: Internet.
"Preliminary copy, April 2000."Shipping list no.: 2001-0023-P.Cover title.Mode of access: Internet
"October 2000, slightly revised September 2006"--P. [4] of Cover.Shipping list no.: 2007-0081-P.Cove...
"December 1995"--P. [3] of cover.Shipping list no.: 96-0123-P.Cover title.Mode of access: Internet.
"November 1997"--P. [4] of cover.Shipping list no.: 98-0364-P.Cover title.Mode of access: Internet
"December 1997"--P. [4] of cover.Shipping list no.: 98-0185-P.Mode of access: Internet
"November 1997"--P. [4] of cover.Shipping list no.: 99-0108-P.Cover title.Mode of access: Internet