Linked from
The 16 pages that link to Fractional-reserve banking, each with the reason it gives.
Bank depositRelated: It explains how deposited funds support lending while banks meet withdrawals.
Money supplyRelated: Bank lending can create deposits that increase measured money.
History of bankingRelated: It helps explain how banks expanded credit beyond the currency they held.
History of moneyRelated: Bank lending expanded spendable money beyond the stock of coins and notes.