Post-it note with handwritten message in blue marker. The message reads: "Jerry D.H. is overflowing every service with congregants all inspired by and missing you. You, of blessed memory."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Happy Thoughts" surrounded by a pattern with floral motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Post-it note with handwritten message in blue marker. The message reads: "I'm praying for these holy souls, may God shine His light upon them!"

Post-it note with handwritten message in green marker. The message reads: "Pittsburgh, I will always love you. My heart goes out to you and is here too. Pittsburgh Strong."

Post-it note with handwritten message in green marker. The message reads: "Doubt is not the opposite of faith, fear is [underlined] let us not fear."

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "We are all praying for you. None of this should happen. Stay strong."

Printed text of the Hebrew poem "Shalom Aleichem," which is traditionally recited on Friday evenings to welcome the Sabbath angels. Translated into English here. Some of the text in the first line of the final stanza has been cut off. Staining and creasing due to exposure to the elements at the Wilkins memorial.

Handwritten note on the back of a piece of paper with the letterhead of KYW News Radio. The note is very difficult to read due to extensive creasing and fading caused by exposure to the elements at the Wilkins memorial.

Floral tag from floral arrangement, which reads: "May they Rest in Peace." The message is written in blue ink on a printed tag with multicolored flowers in the lower right corner. The reverse is stamped with the contact information for Squirrel Hill Flower Shop.

Post-it note with handwritten message in red marker. The note, which is written inside a heart, reads: "We love you guys." Two Stars of David appear on the lower right and center.

Card from the Friendship Circle of Illinois. The front of the card reads: "To the Jewish community of Pittsburgh sheyichyu (may they live)." The inside reads: "I have [heard] about the terrible news that happened and I feel very very bad for you. I hope moshiach (the Messiah) should come now so we could join with them now!!!" Multiple stars of David and smiley faces are integrated into the text of this card. Spelling errors corrected for clarity.

Post-it note with handwritten message in blue marker. The message reads: "Recover well." Signed with a Star of David.

Post-it note with illustrations in red marker. A cascading stream of hearts, outlined in red, begins in the upper left corner and extends to the lower right corner.

Post-it note with handwritten message in blue marker. The message reads: "Peace and love from Denver, CO."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Know that our loving God is with you all- always. Our love is with all of you hoping you can get through this before [?] God- God will [?] love your deep faith. Know we are here in Pt. Loma CA. Feeling your pain."

Floral tag addressed to Cecil Rosenthal. The tag features a white rose on the left and the stock message: "With Deepest Sympathy" in a band on the upper center.

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains prayers for healing and comfort. The church's contact information is included on the back of the envelope.