ED 1.334/2:SCH 6/CD
Public-Use Data, National Center for Education Statistics, The Schools and Staffing Survey (SASS) and Teacher Followup, (TFS) etc., June 1998 (CD-ROM)
0455-N-04
980064E
980807
C 21.31:US-1998-28 A
USAPAT, Facsimile Images of United States Patents, US-1998-28A, (CD-ROM)
0260-E
C 21.31:US-1998-28 B
USAPAT, Facsimile Images of United States Patents, US-1998-28B, (CD-ROM)
C 21.31:US-1998-28 C
USAPAT, Facsimile Images of United States Patents, US-1998-28C, (CD-ROM)
C 21.31:US-1998-28 D
USAPAT, Facsimile Images of United States Patents, US-1998-28D, (CD-ROM)
C 21.31:US-1998-27 A
USAPAT, Facsimile Images of United States Patents, US-1998-27A, (CD-ROM)
C 21.31:US-1998-27 B
USAPAT, Facsimile Images of United States Patents, US-1998-27B, (CD-ROM)
C 21.31:US-1998-29 A
USAPAT, Facsimile Images of United States Patents, US-1998-29A, (CD-ROM)
C 21.31:US-1998-29 B
USAPAT, Facsimile Images of United States Patents, US-1998-29B, (CD-ROM)
C 21.31:US-1998-29 C
USAPAT, Facsimile Images of United States Patents, US-1998-29C, (CD-ROM)
C 21.31:US-1998-29 D
USAPAT, Facsimile Images of United States Patents, US-1998-29 D, (CD-ROM)
C 21.31:US-1998-29 E
USAPAT, Facsimile Images of United States Patents, US-1998-29E, (CD-ROM)
C 21.31:US-1998-27 C
USAPAT, Facsimile Images of United States Patents, US-1998-27C, (CD-ROM)