Notecard with the following message written in black ink: "LOVE ALWAYS."

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

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Large bound volume. Cover features gold writing embossed onto white leather and reads, "Book of Life, New Light Sisterhood, Donated By Mr. and Mrs. Harold Marcus in memory of Herman L. Katz." Interior pages contain handwritten messages in calligraphy.

Folded card with colored pencil illustration. Cover shows four smiley faces, two heart shaped balloons, surrounded by asterisk-shaped stars on a multicolored background. Inside reads: "Our prayers are with you! I hope you are well!" Back reads "2018" and features two heart shaped ballons in the lower center atop a salmon colored background.

Rectangular cardboard sign. Front reads, "LOVE They Neighbor" with a heart in purple, green, blue, and read marker. Back includes signatures from the Wolfson children.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Beloved of the Lord- We cry with you in your sorrow, loss, and anger, And we pray with you for healing, forgiveness, hope and peace- Because of the One God who gave life to us all. In the name of His Son, Yeshua, Your sister, Kate [last name redacted]."

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Handwritten note written in blue ink on a lined notecard reading: "Sending all of my sympathy, empathy and love. I don't know what else to say. -Hope [last name redacted]. Brooklyn, New York (Former Pittsburgher)."

White posterboard with handwritten message in colored marker. The poster features a quote from 1 Peter 4:8, reading: "Continue to show deep love for each other." The word "love" is embellished with over a dozen hearts. The word, "Trump" has been crossed out on the upper left corner on the reverse.

Floral tag from floral arrangement, which reads: "May the lord Be with you!" The message is written in black ink on a printed tag with white and purple flecked flowers.

Square poster that says "Love one another right NOW" with music notes and pink hearts. Poster attached to a yard stick. Blank back.

Floral tag with peach-colored roses on the left. The tag contains a handwritten note reading: "Love conquers Hate!"

Envelope and floral tag addressed to Jerry Rabinowitz. The envelope reads: "Godspeed Jerry" and is illustrated with two hearts. The tag features an illustration of a sheep with wildflowers growing out of its head. The tag reads: "Jerry, You can rest in peace with Bill. He, too, was an incredibly kind man! Jean. Godspeed."

Handmade sign on cardboard written with black marker reading: "Hate has no home here."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "May GOD grant you ALL the grace and mercy our human family can minister and let your faith be a reflection of GOD's LOVE for all of us."

Business card from Pastor J. Hogan of Faithbridge Community Church.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front cover features a heart with the words "Love and Peace" in the center. The inside reads: "To the Tree of Life Synagogue- May you begin to heal in the days that follow. May you feel love from those around you. You are not alone in your pain. You are not alone in your confusion. We are together with you. Know that love and peace will surround you from now until eternity. Though we may be of different faiths, our love for one another does not change...