Shall the Constitution, Article XIV, Section 2, be amended so as to permit two-thirds of the members of each branch of the legislature to provide by law for calling a constitutional convention without submitting the question to a vote of the people?
Source for Popular Vote data: Minnesota Secretary of State. Minnesota Legislative Manual 1949, Minnesota Secretary of State (https://www.leg.state.mn.us/archive/sessions/electionresults/1948-11-02-g-man.pdf) (accessed 22 Jul 2019)