The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1898)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1899)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1900)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1902)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1903)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1904)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1907)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1908)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1909)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1910)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1911)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1912)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1913)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1914)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1915)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1916)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1917)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1918)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1919)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1920)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1921)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1922)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1923)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1924)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1925)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1926)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1927)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1928)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1929)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1930)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1931)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1932)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1933)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1934)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1935)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1936)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1937)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1938)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1939)