Roast beef is a dish of beef which is roasted in an oven. Essentially prepared as a main meal, the leftovers can be and are often served within sandwiches and sometimes are used to make hash. In the United Kingdom, Canada, Ireland, and Australia, roast beef is one of the meats traditionally served at Sunday dinner, although it is also often served as a cold cut in delicatessen stores, usually in sandwiches. A traditional side dish to roast beef is Yorkshire pudding.

In the UK, roast beef is the signature national dish which holds cultural meaning for the English.

Some prefer roast beef to be served "rare" or "pink", meaning that the center of the joint is cooked so that it retains a reddish color. Others prefer roast beef to be cooked medium or well done.

The beef on weck sandwich is a tradition in western New York. Roast beef is sometimes served with horseradish or horseradish sauce. In Denmark it is mostly used in open sandwiches, called smørrebrød.

The roast beef sandwich commonly comprises bread, cold roast beef (either the leftovers from a homemade dinner or deli meat), lettuce and mustard, although it would not be uncommon to find horseradish, fresh/powdered chili pepper and even in some cases red onion.

Kelly's Directory (or more formally, the Kelly's, Post Office and Harrod & Co Directory) was a trade directory in the United Kingdom that listed all businesses and tradespeople in a particular city or town, as well as a general directory of postal addresses of local gentry, landowners, charities, and other facilities. In effect, it was a Victorian version of today's Yellow Pages. Many reference libraries still keep their copies of these directories, which are now an important source for historical research.

The namesake and originator of the directory was Frederic Festus Kelly. In 1835 or 1836 he became chief inspector of letter-carriers for the inland or general post office, and took over publication of the Post Office London Directory, whose copyright was in private hands despite its semi-official association with the post office, and which Kelly had to purchase from the widow of his predecessor.

He founded Kelly & Co. and he and various family members gradually expanded the company over the next several decades, producing directories for an increasing number of UK counties and buying out or putting out of business various competing publishers of directories.