After my dad died, my siblings and I began sorting through the things he left behind. That included the expected things, like clothes and photographs, and the unexpected things, like financial records tucked into places we hadn’t known existed. When we were finally able to open the locked cubby behind my dad’s bed, my brother found, among other things, copies of my dad’s tax records dating back to the 1970s. My dad had saved everything. What should we, his children, do with all that paper? After death, certain old records can be shredded. But be careful–both tax filing and tax…