Practical archive of 67 crisp business and office-related subjects: secretaries taking dictation, clerks filing, conferences, typewriters, desk-top computers, floppy disks, coffee mugs, many more. Each in 3 sizes to eliminate need for statting.
Here's a sample of other books in this Dover category
Ready-to-Use Money and Savings Illustrations by Fred Marvin Treasury of 97 royalty-free motifs, each in 3 sizes. Crisp, professional renderings of nest eggs, bank tellers, automated cash machines, stocks and bonds, money bags, much more. Total of 291 illustrations.
Ready-to-Use Business Silhouettes by Charles Hogarth 96 eye-catching silhouettes — each in two sizes — depict male and female white-collar workers in typical office situations: on the phone, using computers, seated at desks, etc. 192 royalty-free images ideal for many graphic projects.