https://alansingerphd.medium.com/mendel-letters-117-ellis-island-adb642adc52d
https://alansingerphd.medium.com/mendel-letters-68-burshtyn-ukraine-8f0ada14408b
https://alansingerphd.medium.com/mendel-letters-62-those-left-behind-holocaust-remembrance-4b130a3494e2
