Advertising Expenditure Forecasts 
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Ref. HF5801 .A48 in the Stamps Reading Room
Quarterly summaries of worldwide and regional advertising expenditure and share of ad spend by medium from individual countries.

Advertising Growth Trends
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Ref. HF5813 .U6 A73 in the Stamps Reading Room
Annual advertising spend and sales data by SIC and company name as well as summaries by company, industry, and industry sector.

Advertising Ratios & Budgets
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Ref HF5801 .A2446 in the Stamps Reading Room
Provides data on over 300 industries' and top 1000 companies' ad budgets in tables. 

Redbooks. Advertisers & agencies international
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Ref. HF5804 .S73 in the Stamps Reading Room
Annual listing of companies that spend $200,000+ on advertising per year. Contains company contacts, products, advertising budgets & expenditures, and key personnel.