1990年参加亚运盛会纪念，北京第十一届亚运会服务总公司，信封，上海造币厂制造纪念章，工美集团董事长魏连伟用

JACOBI Werke 2 ¥980.00

SOLVABLE MODELS IN QUANTUM MECHANICS ¥760.00

FUNCTIONAL INTEGRATION AND QUANTUM PHYSICS ¥400.00

A COURSE IN RING THEORY ¥480.00

MANIFOLDS ¥300.00

CONDUCT LITERATURE FOR WOMEN 1720—1770 （6本合售） ¥1200.00

EIGHTEENTH-CENTURY BRITISH EROTICA（1.2）2本合售 ¥1600.00

THE HISTORY OF CORPORATE FINANCE（1—6）6本合售 ¥1800.00

THE BRITISH TRANSATLANTIC SLAVE TRADE （1.2.3.4）4本合售 ¥1200.00