Home › Authors › Gerald Whittenburg 👤 Gerald Whittenburg 4 books Books by Gerald Whittenburg Income Tax Fundamentals 2026, Income Tax Fundamentals 2026, Loose-Leaf Version 2025 Income Tax Fundamentals 2019 ( Income Tax Fundamentals 2019 (with Intuit ProConnect Tax Online 2018) 2018 Income Tax Fundamentals 1999 1999 Income Tax Fundamentals 1998 1997