Q. Companies: stock splits & dividends

WRDS and click on CRSP, then Stocks, Use the Cumulative factor to Adjust Share Prices.

Datastream (access: Barcelona and Madrid Libraries only through Eikon). Search a company, and select Dividend Payment Report or Capital Issues and Changes report (on Single Series - Report) for stock splits. 

Use Bloomberg (access to Barcelona Library Financial room).

• Type the ticker symbol, then hit the EQUITY key
• Type dvd and hit GO.
• You will get a history of stock splits and dividends for that company. Example: IBM hit EQUITY Key dvd hit GO.

Yahoo Finance.