If you do not find what you're looking for, you can use more accurate words.
"Authorities consulted" at the beginning of each volume
I. Organization, sales, credits, billing, shipping.--II. Bookkeeping, accounting, partnerships, manufacturing, voucher records.--.III. Purchasing, labor records, cost finding, mail order, special forms.--IV. Auditing, combinations, corporations, profits, practice.--V. Contracts, agency, sales, bills, notes, evidence.--VI. Correspondence filing, office devices, department stores.--VII. Income tax problems, commercial arithmetic, index