Mo. Rev. Stat. § 493.050
All public advertisements and orders of publication required by law to be made and all legal publications affecting the title to real estate shall be published in some daily, triweekly, semiweekly or weekly newspaper of general circulation in the county where located and which shall have been admitted to the post office as periodicals class matter in the city of publication; shall have been published regularly and consecutively for a period of three years, except that a newspaper of general circulation may be deemed to be the successor to a defunct newspaper of general circulation, and subject to all of the rights and privileges of said prior newspaper under this statute, if the successor newspaper shall begin publication no later than thirty consecutive days after the termination of publication of the prior newspaper; shall have a list of bona fide subscribers voluntarily engaged as such, who have paid or agreed to pay a stated price for a subscription for a definite period of time; provided, that when a public notice, required by law to be published once a week for a given number of weeks, shall be published in a daily, triweekly, semiweekly or weekly newspaper, the notice shall appear once a week, on the same day of each week, and further provided, that every affidavit to proof of publication shall state that the newspaper in which such notice was published has complied with the provisions of this section; provided further, that the duration of consecutive publication provided for in this section shall not affect newspapers which have become legal publications prior to September 6, 1937; provided, however, that when any newspaper shall be forced to suspend publication in any time of war, due to the owner or publisher being inducted into the Armed Forces of the United States, the newspaper may be reinstated within one year after actual hostilities have ceased, with all the benefits provided pursuant to the provisions of this section, upon the filing with the secretary of state of notice of intention of such owner or publisher, the owner's surviving spouse or legal heirs, to republish such newspaper, setting forth the name of the publication, its volume and number, its frequency of publication, and its readmission to the post office where it was previously entered as periodicals class mail matter, and when it shall have a list of bona fide subscribers voluntarily engaged as such who have paid or agreed to pay a stated price for subscription for a definite period of time. All laws or parts of laws in conflict with this section except sections 493.070 to 493.120, are hereby repealed.
§ 493.050, RSMo