Joshua Alder

1792 – 1867

• A catalogue of the zoophytes of Northumberland and Durham
• A monograph of the British nudibranchiate mollusca
• The British Tunicata
• A catalogue of the Mollusca of Northumberland and Durham
• A monograph of the British nudibranchiate Mollusca
• A monograph of the British nudibranchiate Mollusca
• The British Tunicata