Frog Journal — Brockhaus 1894 & Swedish Skolplansch 1950

In 1894, the Leipzig encyclopedist F.A. Brockhaus published a chromolithograph of nine frog and toad species that was among the finest examples of Victorian scientific illustration. In 1950, a Swedish educational publisher produced a classroom dissection chart of the frog that was among the finest examples of mid-century Scandinavian visual pedagogy. Together, they span over half a century of European scientific illustration — and they share a single subject: the frog.

The front cover reproduces Frösche und Kröten I — Frogs and Toads I — a chromolithograph from the 14th edition of the Brockhaus Konversations-Lexikon (Leipzig, 1894), presenting nine numbered anuran species including Litoria peronii, Bombina bombina, and Pelophylax esculentus against a dramatic black background that heightens the chromatic richness of the lithographic inks, each specimen rendered with the meticulous attention to surface texture, color variation, and anatomical detail that distinguishes the best Victorian scientific illustration. The back cover presents the 1950 Swedish skolplansch — a large-format classroom dissection chart published by Svenska Skolmaterielförlaget Gunnar Saiåtz A-B — designed so entire classes could simultaneously observe the internal anatomy of the frog, its muscular, skeletal, and organ systems identified in vibrant colors with the pedagogical clarity and quiet visual distinction of the best Scandinavian educational design, superimposed on black so that the original cream background transforms into a luminous scientific diagram of striking graphic power.

Product Details

• Format: 5.75 × 8 in (14.6 × 20.3 cm)
• Pages: 150 lined pages (75 sheets)
• Perforated pages — tear out cleanly without damaging the binding
• Paper weight: 90 gsm, suitable for fountain pens and pencils
• Hardcover with matte finish, casewrap sewn binding
• Weight: 400 g (14.1 oz)

Perfect For

• Herpetology enthusiasts and amphibian researchers celebrating anuran biodiversity
• Natural history collectors honoring Victorian encyclopedic illustration traditions
• Science educators and students inspired by the history of anatomical pedagogy
• Scandinavian design admirers drawn to mid-century Swedish visual education
• Field researchers documenting amphibian observations and ecological notes
• Thoughtful gifts for biology lovers, naturalists, and scientific illustration aficionados

Read more: From Leipzig to Stockholm: Two Centuries of Scientific Illustration and the Frog