There are many brands. Hoyt, Martin, and Lancaster are just a few.
there are many different ones like cross bow arrows
32 countries are participating in archery at London Olympics.
there are 37 types of bows
One can find many things helpful for archery on Matthew's Archery website. For example, Matthew's Archery sells bows and archery accessories needed for many archers.
There aren't many types of bows, however there are many custom made bows which highly differ from the standard modern bows. The most common types are Short Bows and Long Bows as well as Cross Bows. The strongest ones of course are Cross Bows, as these are powered automatically, whereas in the other two you have to physically pull the arrow.
Yes they do. There are many Archery Clubs throughout the world. Some use Long Bows and others use Cross bows. I believe Archery may even be an Olympic sport.
A variety of archery equipment is offered for sale on sporting goods websites. For example, the Sports Authority website offers many different brands of archery cross bows and arrows.
38 from archery to wrestling
There are many different places in runescape to get bows. Most commonly you can them from the Grand Exchange. Another place is at archery stores, these you can find just about anywhere in runescape. Lastly, sometimes but not very often, particular monsters drop bows. I'm not sure which ones but they do get dropped. In varrock there is an archery shop. It sells arrows, Armour for archers and bows and arrows. It is close to the varrock sewers entrance.