Infantry anti-tank weapons throughout the ages - Sandboxx
Panzerbuchse 39 (PzB 39)
Tank Archives: Rifle vs Tank
PTRS-41 - Wikipedia
The Finnish anti-material rifle Lahti L-39 att the War museum in Stockholm. Used in WWII both against tanks and later in the war when armour got to thick it became an improvised
world war two - What damage did anti-tank rifles hope to inflict on tanks in WW2? - History Stack Exchange